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Friday, 08/01/2025 8:10 PM 
 RecordStarterOpenLatest
 Gm#W-LPitcherMLO/UMLO/URL
 PIT Pittsburgh95747-62HEANEY(L)-13511.5o-10-13511.5o-15-1.5, +110
 COL Colorado95828-80SENZATELA(R)+12511.5u-10+12511.5u-05+1.5, -130

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Team Bullpen Breakdown

Explore comprehensive MLB bullpen rosters featuring standard and Sabermetric pitching stats, plus updated injury reports to evaluate each team's relief pitching depth.

Pitcher Injuries

Stay updated with each MLB team's key impact player injury details. Find statuses, injury types, and game effect for a competitive edge in baseball insights.

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 Pittsburgh Pirates
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Ryan BoruckiP Back15-day IL07/31/202513025.7211715311225.261.247
Ryan Borucki of the Pittsburgh Pirates is on the 15-day IL due to a back injury; next game is 08/01/2025 at Colorado.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Joaquin TejadaRP Undisclosed60-day IL07/31/20250000.00000000.000.000
Joaquin Tejada (RP) on 60-day IL for Pirates; return date unknown. Next game: 08/01/2025 at Colorado. Info as of 07/31/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Chase ShugartP Knee15-day IL07/31/202543039.0301716615223.691.154
Chase Shugart, Pirates pitcher, on 15-day IL due to a knee injury; next game on 08/01/2025 against Colorado.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Cristofer MelendezP Undisclosed60-day IL07/31/20250000.00000000.000.000
Cristofer Melendez (P) of the Pittsburgh Pirates is on the 60-day IL with an unknown injury; next game on 08/01/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Anthony SolometoSP Shoulder60-day IL07/31/20250000.00000000.000.000
Anthony Solometo of the Pittsburgh Pirates is on the 60-day IL due to a shoulder injury. Next game: 08/01/2025 at Colorado.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Garrett McMillanSP Undisclosed60-day IL07/31/20250000.00000000.000.000
Garrett McMillan (SP, Pirates) on 60-day IL with an unknown injury; next game is on 08/01/2025 at Colorado.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Derek DiamondSP Undisclosed60-day IL07/31/20250000.00000000.000.000
Derek Diamond (SP, Pirates) is on the 60-day IL with an unknown injury; next game is 08/01/2025 at Colorado.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Jared JonesP ElbowOut05/21/20250000.00000000.000.000
Jared Jones (P, Pirates) is out for the season due to an elbow injury, placed on 60-day IL as of 03/24. Next game 08/01/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Colin HoldermanP Thumb05/21/202501015.0201515311119.002.067
Colin Holderman (P, Pirates) on 15-day IL due to a thumb injury. Next game: 08/01/2025 vs. Colorado. Updates as of 05/21/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Justin LawrenceP Elbow60-day IL05/04/202510011.351106150.790.971
Justin Lawrence of the Pittsburgh Pirates is on the 60-day IL due to an elbow injury, with a return expected after 08/01/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Dauri MoretaP Elbow05/04/20250000.00000000.000.000
Dauri Moreta (P, Pirates) on 60-day IL due to elbow injury, updated 05/04/2025. Next game: 08/01/2025 at Colorado.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Johan OviedoP Elbow60-day IL05/04/20250000.00000000.000.000
Johan Oviedo (P, Pirates) on 60-day IL due to elbow injury; next game scheduled for 08/01/2025 vs. Colorado.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Tim MayzaP Shoulder60-day IL05/04/20250009.39331182.891.071
Tim Mayza of the Pittsburgh Pirates is on the 60-day IL with a shoulder injury, updated as of May 4, 2025. Next game: 08/01/2025.
 Colorado Rockies
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Zachary AgnosP Elbow15-day IL07/31/202513429.7312523516176.981.584
Zachary Agnos (P, Rockies) on 15-day IL with a right flexor strain; expected to miss an extended period. Next game: 08/01/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Victor VodnikP Shoulder05/13/202533232.0311513319343.661.563
Victor Vodnik (P, Rockies) on 15-day IL for shoulder injury; next game is 08/01/2025 vs. Pittsburgh. Info as of 05/13/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Christopher McMahonP Undisclosed60-day IL08/01/20250000.00000000.000.000
Christopher McMahon (P, Rockies) on 60-day IL, status unknown. Next game: 08/01/2025 vs. Pittsburgh. Info updated 08/01/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Jace KaminskaP Undisclosed60-day IL08/01/20250000.00000000.000.000
Jace Kaminska (P, Rockies) on 60-day IL; status unclear. Next game: 08/01/2025 vs. Pittsburgh. Updated info as of 08/01/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Sandy OzunaP Undisclosed60-day IL07/31/20250000.00000000.000.000
Sandy Ozuna (P) of the Colorado Rockies is on the 60-day IL, status unknown, next game on 08/01/2025 vs. Pittsburgh.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Isaiah CoupetRP Undisclosed60-day IL07/31/20250000.00000000.000.000
Isaiah Coupet (RP, Rockies) is on the 60-day IL. Return details are unknown; next game is 08/01/2025 vs. Pittsburgh.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Yujanyer HerreraRP Elbow60-day IL07/31/20250000.00000000.000.000
Yujanyer Herrera (RP, Rockies) on 60-day IL due to elbow injury; next game on 08/01/2025 vs. Pittsburgh. Update: 07/31/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Case WilliamsSP Triceps60-day IL07/31/20250000.00000000.000.000
Case Williams (SP, Rockies) is on the 60-day IL due to a tricep injury; next game is on 08/01/2025 vs. Pittsburgh.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
German MarquezP Biceps15-day IL07/23/2025311098.312674621335735.671.637
German Marquez of the Rockies is on the 15-day IL due to right bicep tendinitis, with no return date set. Next game on 08/01/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Ryan FeltnerP BackProbable06/15/202502030.3331716412254.751.484
Ryan Feltner (P, Rockies) is on the 60-day IL due to a back injury, with no return date set. Next game: 08/01/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Jeff CriswellP Elbow60-day IL05/04/20250000.00000000.000.000
Jeff Criswell (P, Rockies) on 60-day IL due to Tommy John surgery; expected to miss the entire season. Next game: 08/01/2025.

Bullpen Pitching Stats

2025 Pitching Stats in All Games

This table displays pitching statistics for a team's bullpen, highlighting the expected available pitchers for today's game. Key stats such as ERA, WHIP, saves, and opponents' batting averages are included to help bettors and fantasy managers evaluate bullpen strength. Pitchers highlighted in white rows are projected to be available for relief appearances, while players shown in grey rows are currently unavailable or listed as starting pitchers. Favorable and unfavorable performance indicators are clearly marked in green and red, respectively, allowing for quick identification of bullpen advantages or vulnerabilities.

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 Pittsburgh Bullpen - 2025 All Games Pitching Statistics
Player
T
 W L ERA G HLD SV BSV SV% IP H R ER HR BB IBB HBP SO WP BK WHIP AVGa OBPa SLGa OPSa
Dennis Santana
R
 3 2 1.36 46 13 6 1 85.7% 46.3 28 8 7 1 10 0 0 38 0 0 0.820 0.173 0.221 0.235 0.455
Ryan Borucki
L
 1 3 5.26 29 6 0 3 0.0% 25.7 21 17 15 3 11 1 1 22 2 1 1.247 0.228 0.317 0.413 0.730
Chase Shugart
R
 4 3 3.69 32 4 0 2 0.0% 39.0 30 17 16 6 15 2 1 22 3 0 1.154 0.214 0.295 0.407 0.702
Braxton Ashcraft
R
 3 1 2.17 15 3 0 0 0.0% 29.0 24 8 7 1 12 1 0 23 0 0 1.241 0.226 0.305 0.349 0.654
Justin Lawrence
R
 1 0 0.79 11 3 0 1 0.0% 11.3 5 1 1 0 6 1 2 15 1 0 0.971 0.139 0.295 0.222 0.518
Tim Mayza
L
 0 0 2.89 7 0 0 0 0.0% 9.3 9 3 3 1 1 0 1 8 0 0 1.071 0.243 0.282 0.432 0.714
Genesis Cabrera
L
 0 0 5.60 23 2 0 0 0.0% 27.3 27 17 17 6 7 0 1 22 0 0 1.244 0.260 0.313 0.500 0.813
Carmen Mlodzinski
R
 2 6 4.34 20 0 0 0 0.0% 66.3 78 34 32 8 17 0 2 52 2 0 1.432 0.290 0.337 0.454 0.790
Isaac Mattson
R
 3 1 2.13 22 3 0 1 0.0% 25.3 17 6 6 3 8 0 1 30 0 0 0.987 0.187 0.260 0.319 0.579
Yohan Ramirez
R
 1 0 4.00 5 1 0 1 0.0% 9.0 6 4 4 0 4 0 3 14 1 0 1.111 0.188 0.333 0.219 0.552
Kyle Nicolas
R
 0 0 7.50 10 0 0 0 0.0% 12.0 13 10 10 2 9 0 0 8 0 0 1.833 0.260 0.373 0.460 0.833
Dauri Moreta
R
 0 0 0.00 0 0 0 0 0.0% 0.0 0 0 0 0 0 0 0 0 0 0 0.000 0.000 0.000 0.000 0.000
Paul Skenes
R
 6 8 1.83 22 0 0 0 0.0% 133.0 88 30 27 6 32 0 6 146 2 0 0.902 0.184 0.245 0.283 0.528
Mitch Keller
R
 4 10 3.69 22 0 0 0 0.0% 127.0 120 57 52 10 33 0 5 100 2 0 1.205 0.243 0.298 0.371 0.669
Michael Burrows
R
 1 3 3.88 13 0 0 0 0.0% 58.0 51 26 25 8 21 1 3 60 2 0 1.241 0.232 0.307 0.391 0.698
Johan Oviedo
R
 0 0 0.00 0 0 0 0 0.0% 0.0 0 0 0 0 0 0 0 0 0 0 0.000 0.000 0.000 0.000 0.000
Jared Jones
R
 0 0 0.00 0 0 0 0 0.0% 0.0 0 0 0 0 0 0 0 0 0 0 0.000 0.000 0.000 0.000 0.000

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 Colorado Bullpen - 2025 All Games Pitching Statistics
Player
T
 W L ERA G HLD SV BSV SV% IP H R ER HR BB IBB HBP SO WP BK WHIP AVGa OBPa SLGa OPSa
Seth Halvorsen
R
 1 2 4.99 41 4 11 3 78.6% 39.7 41 26 22 7 20 1 0 36 3 0 1.538 0.273 0.359 0.493 0.852
Jimmy Herget
R
 0 1 2.86 38 2 0 1 0.0% 56.7 55 19 18 6 18 0 5 46 2 2 1.288 0.256 0.328 0.391 0.718
Jeff Criswell
R
 0 0 0.00 0 0 0 0 0.0% 0.0 0 0 0 0 0 0 0 0 0 0 0.000 0.000 0.000 0.000 0.000
Zachary Agnos
R
 1 3 6.98 28 3 4 0 100.0% 29.7 31 25 23 5 16 0 0 17 2 0 1.584 0.272 0.362 0.509 0.870
Carson Palmquist
L
 0 4 7.63 7 0 0 0 0.0% 30.7 35 27 26 8 18 0 3 22 1 0 1.728 0.294 0.400 0.588 0.988
Juan Mejia
R
 1 0 4.15 33 6 0 1 0.0% 39.0 32 23 18 4 13 0 2 40 1 0 1.154 0.222 0.296 0.396 0.691
Dugan Darnell
R
 0 0 0.00 0 0 0 0 0.0% 0.0 0 0 0 0 0 0 0 0 0 0 0.000 0.000 0.000 0.000 0.000
Victor Vodnik
R
 3 3 3.66 33 6 2 4 33.3% 32.0 31 15 13 3 19 2 0 34 4 0 1.563 0.256 0.357 0.405 0.762
Kenneth Hill
R
 0 0 3.18 6 0 0 0 0.0% 5.7 5 3 2 0 6 0 0 6 1 0 1.941 0.250 0.423 0.350 0.773
Angel Chivilli
R
 1 4 6.08 26 1 0 0 0.0% 37.0 45 28 25 6 17 1 1 26 4 0 1.676 0.296 0.371 0.467 0.838
Kyle Freeland
L
 2 11 5.26 20 0 0 0 0.0% 104.3 130 73 61 15 26 1 2 74 1 0 1.495 0.304 0.346 0.477 0.823
German Marquez
R
 3 11 5.67 20 0 0 0 0.0% 98.3 126 74 62 13 35 1 5 73 5 0 1.637 0.307 0.369 0.502 0.871
Tanner Gordon
R
 2 3 4.85 5 0 0 0 0.0% 26.0 32 18 14 3 8 0 0 15 0 1 1.538 0.302 0.351 0.481 0.832
Austin Gomber
L
 0 5 6.28 8 0 0 0 0.0% 38.7 54 29 27 8 10 0 1 22 3 0 1.655 0.325 0.367 0.572 0.940
Bradley Blalock
R
 1 2 7.09 8 0 0 0 0.0% 33.0 47 26 26 6 7 0 2 16 2 0 1.636 0.346 0.386 0.507 0.894

2025 Advanced Pitching Stats in All Games

This table provides advanced pitching and Sabermetric statistics for the team's bullpen pitchers, highlighting expected availability for today's game. Metrics include ERA and advanced ERA estimators (xERA, FIP, SIERA), strikeout and walk rates, and performance with inherited runners, helping bettors and fantasy managers assess bullpen effectiveness. Pitchers in white rows are projected available for relief, while those in grey rows are either unavailable or designated as starters. Favorable (green) and unfavorable (red) performances are clearly marked for quick reference.

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 Pittsburgh Bullpen - 2025 All Games Advanced Pitching Statistics
  ERA Estimates Percentages and Ratios Inherited Runners
Player
T
 ERA xERA ERC FIP dERA DICE SIERA HR% Str% BB% BB9 SO% SO9 SOBB PFR LOB% GOFO IR IRA IRA%
Dennis Santana
R
 1.36 1.07 1.22 2.39 2.46 2.39 2.39 0.6% 71.4% 5.6% 1.9 21.5% 7.4 3.80 1.04 82.0% 1.08 13 3 23.1%
Ryan Borucki
L
 5.26 3.52 3.51 4.31 4.35 4.31 4.20 2.9% 62.5% 10.0% 3.9 20.0% 7.7 2.00 1.29 55.6% 6.20 13 4 30.8%
Chase Shugart
R
 3.69 3.49 3.18 5.20 5.27 5.20 5.04 3.8% 60.5% 9.2% 3.5 13.5% 5.1 1.47 0.95 77.1% 1.32 22 3 13.6%
Braxton Ashcraft
R
 2.17 2.84 2.74 3.20 3.31 3.20 3.11 0.8% 65.9% 9.8% 3.7 18.7% 7.1 1.92 1.21 80.9% 1.89 4 0 0.0%
Justin Lawrence
R
 0.79 0.79 1.67 2.57 2.66 2.57 2.32 0.0% 57.6% 12.8% 4.8 31.9% 11.9 2.50 1.85 92.3% 5.00 2 1 50.0%
Tim Mayza
L
 2.89 3.38 3.01 3.42 3.41 3.42 3.44 2.6% 67.9% 2.6% 1.0 20.5% 7.7 8.00 0.96 83.3% 3.00 8 2 25.0%
Genesis Cabrera
L
 5.60 4.83 4.40 5.22 5.08 5.22 5.22 5.4% 65.5% 6.0% 2.3 18.8% 7.2 3.14 1.06 67.7% 1.63 12 6 50.0%
Carmen Mlodzinski
R
 4.34 4.97 4.69 3.96 3.87 3.96 3.96 2.8% 63.6% 5.7% 2.3 17.6% 7.1 3.06 1.04 73.4% 1.76 4 0 0.0%
Isaac Mattson
R
 2.13 2.45 2.10 3.34 3.26 3.34 3.31 3.0% 67.6% 7.8% 2.8 29.4% 10.7 3.75 1.50 91.7% 1.00 14 3 21.4%
Yohan Ramirez
R
 4.00 1.72 2.78 2.32 2.40 2.32 2.26 0.0% 72.7% 10.0% 4.0 35.0% 14.0 3.50 2.00 69.2% 1.33 5 1 20.0%
Kyle Nicolas
R
 7.50 6.14 5.95 6.18 5.86 6.18 6.18 3.4% 60.4% 15.5% 6.8 13.8% 6.0 0.89 1.42 62.5% 1.75 7 3 42.9%
Dauri Moreta
R
 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0% 0.0% 0.0% 0.0 0.0% 0.0 0.00 0.00 0.0% 0.00 0 0 0.0%
Paul Skenes
R
 1.83 1.60 1.63 2.35 2.38 2.35 2.35 1.2% 64.6% 6.1% 2.2 27.8% 9.9 4.56 1.34 81.6% 1.94 0 0 0.0%
Mitch Keller
R
 3.69 3.43 3.15 3.45 3.45 3.45 3.45 1.9% 66.7% 6.1% 2.3 18.6% 7.1 3.03 1.05 70.1% 1.57 0 0 0.0%
Michael Burrows
R
 3.88 3.83 3.67 4.07 3.95 4.07 4.01 3.3% 63.9% 8.4% 3.3 24.1% 9.3 2.86 1.40 76.8% 1.86 0 0 0.0%
Johan Oviedo
R
 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0% 0.0% 0.0% 0.0 0.0% 0.0 0.00 0.00 0.0% 0.00 0 0 0.0%
Jared Jones
R
 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0% 0.0% 0.0% 0.0 0.0% 0.0 0.00 0.00 0.0% 0.00 0 0 0.0%

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 Colorado Bullpen - 2025 All Games Advanced Pitching Statistics
  ERA Estimates Percentages and Ratios Inherited Runners
Player
T
 ERA xERA ERC FIP dERA DICE SIERA HR% Str% BB% BB9 SO% SO9 SOBB PFR LOB% GOFO IR IRA IRA%
Seth Halvorsen
R
 4.99 5.32 5.36 5.09 4.95 5.09 5.03 4.1% 62.8% 11.1% 4.5 20.0% 8.2 1.80 1.41 68.4% 3.20 13 3 23.1%
Jimmy Herget
R
 2.86 3.94 3.89 4.07 4.01 4.07 4.07 2.5% 64.4% 7.3% 2.9 18.5% 7.3 2.56 1.13 84.8% 1.40 29 12 41.4%
Jeff Criswell
R
 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0% 0.0% 0.0% 0.0 0.0% 0.0 0.00 0.00 0.0% 0.00 0 0 0.0%
Zachary Agnos
R
 6.98 5.43 5.32 5.76 5.69 5.76 5.77 3.8% 58.8% 11.8% 4.9 12.5% 5.2 1.06 1.11 55.0% 1.32 9 1 11.1%
Carson Palmquist
L
 7.63 6.82 7.11 7.11 6.77 7.11 7.10 5.7% 60.1% 12.2% 5.3 14.9% 6.5 1.22 1.30 64.7% 0.85 0 0 0.0%
Juan Mejia
R
 4.15 3.15 2.99 3.54 3.48 3.54 3.53 2.5% 64.3% 7.9% 3.0 24.4% 9.2 3.08 1.36 58.0% 1.79 13 2 15.4%
Dugan Darnell
R
 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0% 0.0% 0.0% 0.0 0.0% 0.0 0.00 0.00 0.0% 0.00 0 0 0.0%
Victor Vodnik
R
 3.66 4.50 4.57 3.98 3.95 3.98 3.81 2.1% 57.8% 13.0% 5.3 23.3% 9.6 1.79 1.66 76.4% 2.71 16 8 50.0%
Kenneth Hill
R
 3.18 4.43 4.90 4.16 4.26 4.16 4.19 0.0% 58.7% 21.4% 9.5 21.4% 9.5 1.00 2.12 72.7% 0.80 4 0 0.0%
Angel Chivilli
R
 6.08 6.05 6.15 5.26 5.07 5.26 5.20 3.5% 61.5% 9.8% 4.1 14.9% 6.3 1.53 1.16 64.1% 4.00 21 6 28.6%
Kyle Freeland
L
 5.26 5.52 5.26 4.36 4.27 4.36 4.33 3.3% 67.7% 5.5% 2.2 15.7% 6.4 2.85 0.96 62.0% 1.85 0 0 0.0%
German Marquez
R
 5.67 5.87 5.94 4.55 4.39 4.55 4.52 2.9% 62.9% 7.6% 3.2 15.8% 6.7 2.09 1.10 62.2% 1.37 0 0 0.0%
Tanner Gordon
R
 4.85 5.36 5.13 4.37 4.32 4.37 4.37 2.6% 67.3% 6.8% 2.8 12.7% 5.2 1.88 0.88 61.5% 1.93 0 0 0.0%
Austin Gomber
L
 6.28 6.87 6.63 5.51 5.24 5.51 5.50 4.5% 66.3% 5.5% 2.3 12.2% 5.1 2.20 0.83 66.9% 0.70 0 0 0.0%
Bradley Blalock
R
 7.09 6.69 6.86 5.31 5.12 5.31 5.32 4.1% 63.8% 4.5% 1.9 10.3% 4.4 2.29 0.70 63.0% 1.38 0 0 0.0%
Glossary of Terms

Player: The name of the bullpen pitcher.

T: The throwing hand of the pitcher (L for left-handed, R for right-handed).

W: The total number of wins credited to the pitcher.

L: The total number of losses credited to the pitcher.

ERA (Earned Run Average): The average number of earned runs allowed per nine innings pitched.

G (Games Played): The number of games in which the pitcher has appeared.

HLD (Holds): The number of times a relief pitcher maintains a lead before passing the game to another reliever.

SV (Saves): The number of times a pitcher successfully finishes a game with a lead.

BSV (Blown Saves): The number of times a pitcher enters in a save situation and fails to maintain the lead.

SV% (Save Percentage): The percentage of save opportunities successfully converted.

IP (Innings Pitched): The total number of innings pitched by the player.

H (Hits Allowed): The total number of hits allowed by the pitcher.

R (Runs Allowed): The total number of runs allowed, including earned and unearned runs.

ER (Earned Runs): The total number of runs scored against the pitcher that were not the result of defensive errors.

HR (Home Runs Allowed): The total number of home runs given up by the pitcher.

BB (Walks): The total number of batters walked by the pitcher.

IBB (Intentional Walks): The number of walks that were intentionally issued.

HBP (Hit by Pitch): The number of batters hit by a pitch.

SO (Strikeouts): The number of batters struck out by the pitcher.

WP (Wild Pitches): The number of pitches that the catcher fails to catch, allowing runners to advance.

BK (Balks): The number of illegal pitching movements that allow runners to advance.

WHIP (Walks + Hits per Inning Pitched): The average number of walks and hits allowed per inning pitched.

AVGa (Opponent Batting Average): The batting average of opposing hitters against the pitcher.

OBPa (Opponent On-Base Percentage): The on-base percentage of opposing hitters against the pitcher.

SLGa (Opponent Slugging Percentage): The slugging percentage of opposing hitters against the pitcher.

OPSa (Opponent On-Base Plus Slugging): The on-base plus slugging percentage of opposing hitters against the pitcher.

ERA (Earned Run Average): The average number of earned runs a pitcher allows per nine innings.

xERA (Expected ERA): A predictive measure of ERA based on batted-ball data, strikeouts, and walks.

ERC (Component ERA): An estimate of ERA based on hits, walks, and home runs allowed.

FIP (Fielding Independent Pitching): A metric that evaluates a pitcher's effectiveness independent of fielding by focusing on strikeouts, walks, and home runs allowed.

dERA (Defense-Independent ERA): An alternative ERA metric that removes the effect of defense and focuses on pitching outcomes.

DICE (Defense-Independent Component ERA): A similar stat to FIP that adjusts for defense-independent outcomes.

SIERA (Skill-Interactive ERA): A sabermetric pitching stat that evaluates a pitcher's overall skill by considering how batted balls are put in play.

Pitching Ratios & Percentages

Str% (Strike Percentage): The percentage of total pitches thrown for strikes.

BB% (Walk Percentage): The percentage of batters faced who are walked.

BB9 (Walks per 9 Innings): The average number of walks allowed per nine innings.

SO% (Strikeout Percentage): The percentage of batters faced who are struck out.

SO9 (Strikeouts per 9 Innings): The average number of strikeouts per nine innings.

SO/BB (Strikeout-to-Walk Ratio): The ratio of strikeouts to walks, indicating control and command.

PFR (Power-Finesse Ratio): A measure of a pitcher’s ability to generate strikeouts while limiting walks.

LOB% (Left on Base Percentage): The percentage of baserunners left stranded by a pitcher.

GO/FO (Ground Out to Fly Out Ratio): A measure of a pitcher's tendency to induce ground balls compared to fly balls.

Pitching Performance Indicators

Dom (Dominant Starts): The number of starts classified as dominant based on low runs allowed and high strikeout rates.

Dom% (Dominant Start Percentage): The percentage of total starts that were dominant performances.

Dis (Disaster Starts): The number of starts where the pitcher performed poorly, allowing a high number of runs.

Dis% (Disaster Start Percentage): The percentage of total starts that were considered disasters.

Inherited Runners

IR (Inherited Runners): The number of runners already on base when the pitcher enters the game.

IRA (Inherited Runners Allowed): The number of inherited runners that the pitcher allows to score.

IRA% (Inherited Runner Scoring Percentage): The percentage of inherited runners that end up scoring.