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Sunday, 04/27/2025 4:10 PM 
 RecordStarterOpenLatest
 Gm#W-LPitcherMLO/UMLO/URL
 ATL Atlanta95912-14SCHWELLENBACH(R)-1108.5o-20-1208.5o-15-1.5, +125
 ARI Arizona96014-13PFAADT(R)-1008.5ev+1108.5u-05+1.5, -145

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Tip SheetSimulation & Ratings🔒Betting Systems🔒Team Trends🔒Team StatsStarting PitchersLineupsBullpensSchedule & ResultsManagers🔒Umpire🔒Head-to-Head🔒

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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 Atlanta Braves
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Carter HoltonSP Elbow60-day IL04/27/20250000.00000000.000.000
Carter Holton (SP) on 60-day IL due to elbow injury, next game for Braves is April 27, 2025, against Arizona.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Raymond KerrRP Elbow60-day IL04/27/20250000.00000000.000.000
Raymond Kerr of the Atlanta Braves is on the 60-day IL due to an elbow injury. Next game: 04/27/2025 at Arizona.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Cam CaminitiSP ForearmOut04/27/20250000.00000000.000.000
Cam Caminiti of the Atlanta Braves is out for today's game due to a forearm injury. Next game is 04/27/2025 at Arizona.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Cade KuehlerSP Elbow60-day IL04/27/20250000.00000000.000.000
Cade Kuehler (SP, Braves) on 60-day IL with elbow injury. Next game: 04/27/2025 at Arizona. Info updated 04/27/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Joe JimenezP Knee60-day IL04/27/20250000.00000000.000.000
Joe Jimenez (P, Braves) is on the 60-day IL after knee surgery and will miss a significant part of the season.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Owen MurphySP Elbow60-day IL04/27/20250000.00000000.000.000
Owen Murphy (SP, Braves) is on the 60-day IL due to an elbow injury. Next game: 04/27/2025 at Arizona. Info updated 04/27/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Darius VinesSP Undisclosed60-day IL04/27/20250000.00000000.000.000
Darius Vines (SP, Braves) is on the 60-day IL with an unknown injury, next game on 04/27/2025 vs. Arizona.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Royber SalinasSP Shoulder60-day IL04/27/20250000.00000000.000.000
Royber Salinas of the Atlanta Braves is on the 60-day IL due to a shoulder injury. Next game: 04/27/2025 at Arizona.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Spencer StriderP Hamstring15-day IL04/21/20250105.05221153.601.200
Spencer Strider of the Braves is on the 15-day IL with a Grade 1 right hamstring strain; return date unknown.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Reynaldo LopezP Shoulder60-day IL03/31/20250005.09331215.402.200
Reynaldo Lopez of the Braves is on the 60-day IL for shoulder surgery and will miss an undetermined time.
 Phoenix Diamondbacks
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
A.J. PukP Elbow15-day IL04/27/20250048.083322123.381.250
A.J. Puk of the Diamondbacks is on the 15-day IL with left elbow inflammation; no return timetable yet. Next game: 04/27/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Merrill KellyP Leg04/25/202531032.7241716512254.411.102
Merrill Kelly (P, Diamondbacks) is set to start Saturday against the Braves despite a general leg injury.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Caden GriceSP Elbow60-day IL04/27/20250000.00000000.000.000
Caden Grice (SP, Diamondbacks) on 60-day IL due to elbow injury; next game scheduled for 04/27/2025 against Atlanta.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Kevin GinkelP Shoulder15-day IL04/27/20250000.00000000.000.000
Kevin Ginkel of the Diamondbacks is on the 15-day IL due to a right shoulder impingement, with no return date set.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Hugh FisherSP Undisclosed60-day IL04/27/20250000.00000000.000.000
Hugh Fisher (SP, D-backs) on 60-day IL with an unknown injury; next game is 04/27/2025 vs. Atlanta.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Andrew SaalfrankRP SuspensionSuspended04/27/20250000.00000000.000.000
Andrew Saalfrank (RP, Diamondbacks) is suspended with the next game on 04/27/2025 vs. Atlanta. Info updated 04/27/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Joe ElbisRP Undisclosed7-day IL04/27/20250000.00000000.000.000
Joe Elbis (RP, D-backs) is on the 7-day IL with an unknown injury. Next game: 04/27/2025 vs. Atlanta.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Ryan BrunoP Undisclosed60-day IL04/27/20250000.00000000.000.000
Ryan Bruno of the Arizona Diamondbacks is on the 60-day IL with an unknown injury; next game is on April 27, 2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Blake WalstonP Elbow60-day IL04/27/20250000.00000000.000.000
Blake Walston of the Arizona Diamondbacks is on the 60-day IL with an elbow injury and will miss the rest of the season.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Brandon BielakRP Undisclosed60-day IL04/27/20250000.00000000.000.000
Brandon Bielak (RP, Diamondbacks) on 60-day IL; status unknown. Next game: 04/27/2025 vs. Atlanta. Updated 04/27/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Kendall GravemanP Back15-day IL03/28/20250000.00000000.000.000
Kendall Graveman (P, Diamondbacks) on 15-day IL with back tightness; status uncertain. Next game: 04/27/2025 vs. Atlanta.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Jordan MontgomeryP ElbowOut03/27/20250000.00000000.000.000
Jordan Montgomery (P, Diamondbacks) is out for the season due to an elbow injury and placed on the 60-day IL.

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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 Atlanta 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
Raisel Iglesias
R
 1 2 6.30 10 0 4 2 66.7% 10.0 9 7 7 5 2 0 0 9 0 0 1.100 0.237 0.275 0.711 0.986
Pierce Johnson
R
 1 0 3.86 10 1 0 0 0.0% 9.3 8 4 4 0 4 0 0 10 0 0 1.286 0.235 0.316 0.294 0.610
Dylan Lee
L
 1 1 2.19 12 3 1 2 33.3% 12.3 6 3 3 2 5 1 0 10 1 2 0.892 0.143 0.234 0.286 0.520
Aaron Bummer
L
 0 1 4.76 10 0 0 0 0.0% 11.3 10 6 6 0 5 2 1 14 1 0 1.324 0.244 0.340 0.415 0.755
Daysbel Hernandez
R
 3 0 2.19 12 3 0 0 0.0% 12.3 5 3 3 0 5 0 0 8 0 0 0.811 0.128 0.227 0.154 0.381
Enyel De Los Santos
R
 1 1 5.40 11 0 0 0 0.0% 11.7 11 7 7 2 4 1 1 13 2 0 1.286 0.239 0.314 0.413 0.727
Rafael Montero
R
 0 0 4.82 10 1 0 0 0.0% 9.3 8 5 5 0 10 1 0 11 0 0 1.929 0.229 0.400 0.257 0.657
Joe Jimenez
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
Scott Blewett
R
 0 0 2.03 6 0 0 0 0.0% 13.3 13 4 3 1 3 0 1 15 1 0 1.200 0.245 0.298 0.340 0.638
Ian Anderson
R
 0 1 11.57 7 1 0 1 0.0% 9.3 17 13 12 2 7 1 0 8 2 0 2.571 0.386 0.471 0.568 1.039
Davis Daniel
R
 0 0 0.00 1 0 0 0 0.0% 1.0 0 0 0 0 0 0 1 1 0 0 0.000 0.000 0.250 0.000 0.250
Anderson Pilar
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
Chris Sale
L
 1 2 5.40 6 0 0 0 0.0% 28.3 36 18 17 4 9 0 3 36 1 0 1.588 0.303 0.366 0.487 0.854
Reynaldo Lopez
R
 0 0 5.40 1 0 0 0 0.0% 5.0 9 3 3 1 2 0 0 1 0 0 2.200 0.391 0.440 0.565 1.005
Grant Holmes
R
 2 1 4.50 6 0 0 0 0.0% 28.0 18 14 14 5 17 0 1 26 1 0 1.250 0.184 0.310 0.357 0.667
Spencer Strider
R
 0 1 3.60 1 0 0 0 0.0% 5.0 5 2 2 1 1 0 1 5 0 0 1.200 0.263 0.333 0.526 0.860
Bryce Elder
R
 0 1 5.57 4 0 0 0 0.0% 21.0 23 13 13 5 8 0 0 12 1 0 1.476 0.280 0.344 0.537 0.881

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 Arizona 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
Justin Martinez
R
 1 1 0.90 11 3 3 0 100.0% 10.0 4 2 1 0 4 0 2 11 1 0 0.800 0.121 0.256 0.152 0.408
A.J. Puk
L
 0 0 3.38 8 2 4 0 100.0% 8.0 8 3 3 2 2 0 1 12 1 0 1.250 0.250 0.314 0.531 0.846
Kevin Ginkel
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
Ryan Thompson
R
 0 0 4.63 11 3 0 1 0.0% 11.7 9 6 6 1 5 0 0 11 0 0 1.200 0.200 0.280 0.289 0.569
Shelby Miller
R
 2 0 0.00 11 4 0 1 0.0% 11.7 3 1 0 0 4 0 1 14 0 0 0.600 0.079 0.186 0.079 0.265
Kendall Graveman
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
Jordan Montgomery
L
 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
Jalen Beeks
L
 1 0 2.25 13 4 0 1 0.0% 16.0 10 4 4 1 5 1 0 16 0 0 0.938 0.175 0.242 0.281 0.523
Scott McGough
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
Juan Morillo
R
 0 0 0.00 4 0 0 0 0.0% 4.0 3 2 0 0 2 0 0 5 0 0 1.250 0.214 0.313 0.214 0.527
Ryne Nelson
R
 1 0 7.62 6 0 0 1 0.0% 13.0 16 11 11 1 2 0 0 17 0 0 1.385 0.276 0.300 0.414 0.714
Drey Jameson
R
 0 1 3.00 3 0 1 0 100.0% 3.0 4 2 1 0 3 0 0 0 1 0 2.333 0.400 0.538 0.600 1.138
Zac Gallen
R
 1 4 5.57 6 0 0 0 0.0% 32.3 30 20 20 5 15 0 1 35 1 0 1.392 0.236 0.322 0.425 0.747
Corbin Burnes
R
 0 1 4.05 5 0 0 0 0.0% 26.7 24 16 12 4 12 0 2 25 1 0 1.350 0.245 0.339 0.459 0.798
Merrill Kelly
R
 3 1 4.41 6 0 0 0 0.0% 32.7 24 17 16 5 12 0 1 25 0 0 1.102 0.197 0.274 0.377 0.651
Eduardo Rodriguez
L
 1 2 4.40 5 0 0 0 0.0% 28.7 30 17 14 3 7 0 0 34 2 0 1.291 0.263 0.306 0.439 0.744

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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 Atlanta 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%
Raisel Iglesias
R
 6.30 6.60 5.19 8.40 8.15 8.40 8.35 12.5% 65.1% 4.9% 1.8 22.0% 8.1 4.50 1.10 100.0% 1.40 2 2 100.0%
Pierce Johnson
R
 3.86 2.71 2.65 2.24 2.40 2.24 2.23 0.0% 66.3% 10.0% 3.9 25.0% 9.6 2.50 1.50 66.7% 1.17 6 3 50.0%
Dylan Lee
L
 2.19 2.13 1.77 4.80 4.93 4.80 4.60 4.3% 67.7% 10.4% 3.6 20.8% 7.3 2.00 1.22 97.6% 1.67 5 1 20.0%
Aaron Bummer
L
 4.76 2.86 2.92 2.22 2.46 2.22 1.75 0.0% 66.5% 10.0% 4.0 28.0% 11.1 2.80 1.68 62.5% 2.60 6 4 66.7%
Daysbel Hernandez
R
 2.19 0.35 0.99 3.02 3.16 3.02 3.01 0.0% 60.6% 10.6% 3.6 17.0% 5.8 1.60 1.05 70.0% 1.71 8 1 12.5%
Enyel De Los Santos
R
 5.40 4.38 4.14 4.39 4.19 4.39 4.13 3.9% 69.3% 7.8% 3.1 25.5% 10.0 3.25 1.46 68.2% 1.83 5 2 40.0%
Rafael Montero
R
 4.82 4.32 4.83 3.96 4.12 3.96 3.61 0.0% 59.7% 21.7% 9.6 23.9% 10.6 1.10 2.25 72.2% 1.75 4 0 0.0%
Joe Jimenez
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%
Scott Blewett
R
 2.03 3.44 3.24 2.72 2.75 2.72 2.73 1.8% 63.2% 5.3% 2.0 26.3% 10.1 5.00 1.35 83.3% 1.50 3 0 0.0%
Ian Anderson
R
 11.57 10.34 11.80 6.42 5.76 6.42 6.09 3.9% 59.1% 13.5% 6.8 15.4% 7.7 1.14 1.61 51.9% 1.80 0 0 0.0%
Davis Daniel
R
 0.00 -2.80 0.80 4.10 4.13 4.10 4.61 0.0% 72.2% 0.0% 0.0 25.0% 9.0 0.00 1.00 100.0% 1.00 0 0 0.0%
Anderson Pilar
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%
Chris Sale
L
 5.40 5.75 5.87 3.66 3.53 3.66 3.67 3.1% 66.8% 6.8% 2.9 27.1% 11.4 4.00 1.59 70.8% 1.17 0 0 0.0%
Reynaldo Lopez
R
 5.40 9.29 10.09 6.50 6.11 6.50 6.58 4.0% 61.7% 7.7% 3.6 3.8% 1.8 0.50 0.60 83.3% 1.40 0 0 0.0%
Grant Holmes
R
 4.50 3.57 3.48 5.49 5.48 5.49 5.49 4.3% 60.5% 14.2% 5.5 21.7% 8.4 1.53 1.54 75.9% 1.32 0 0 0.0%
Spencer Strider
R
 3.60 4.57 4.83 4.90 4.67 4.90 4.71 4.8% 59.8% 4.5% 1.8 22.7% 9.0 5.00 1.20 89.3% 0.25 0 0 0.0%
Bryce Elder
R
 5.57 5.88 5.46 6.20 6.00 6.20 6.22 5.6% 63.9% 8.5% 3.4 12.8% 5.1 1.50 0.95 75.0% 2.00 0 0 0.0%

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 Arizona 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%
Justin Martinez
R
 0.90 0.27 1.27 2.70 2.74 2.70 2.74 0.0% 61.3% 10.0% 3.6 27.5% 9.9 2.75 1.50 80.0% 4.00 3 1 33.3%
A.J. Puk
L
 3.38 5.07 4.83 4.47 4.13 4.47 4.46 5.7% 67.9% 5.7% 2.3 34.3% 13.5 6.00 1.75 97.6% 1.25 2 2 100.0%
Kevin Ginkel
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%
Ryan Thompson
R
 4.63 3.00 2.65 3.61 3.60 3.61 3.60 2.0% 68.1% 10.2% 3.9 22.4% 8.5 2.20 1.37 63.5% 2.40 4 0 0.0%
Shelby Miller
R
 0.00 -0.62 0.62 1.99 1.99 1.99 1.97 0.0% 68.7% 9.3% 3.1 32.6% 10.8 3.50 1.54 87.5% 1.14 8 4 50.0%
Kendall Graveman
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%
Jordan Montgomery
L
 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%
Jalen Beeks
L
 2.25 1.75 1.62 2.85 2.92 2.85 2.69 1.6% 65.5% 7.9% 2.8 25.4% 9.0 3.20 1.31 80.9% 4.20 6 1 16.7%
Scott McGough
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%
Juan Morillo
R
 0.00 2.32 2.46 2.10 2.21 2.10 2.00 0.0% 62.7% 11.8% 4.5 29.4% 11.3 2.50 1.75 60.0% 1.00 0 0 0.0%
Ryne Nelson
R
 7.62 4.58 3.86 1.95 2.18 1.95 1.95 1.7% 67.5% 3.5% 1.4 29.8% 11.8 8.50 1.46 42.2% 2.17 1 0 0.0%
Drey Jameson
R
 3.00 6.71 8.96 6.10 7.04 6.10 6.05 0.0% 50.9% 18.8% 9.0 0.0% 0.0 0.00 1.00 71.4% 3.00 0 0 0.0%
Zac Gallen
R
 5.57 4.47 4.21 4.43 4.25 4.43 4.43 3.5% 59.5% 10.5% 4.2 24.5% 9.7 2.33 1.55 66.7% 0.68 0 0 0.0%
Corbin Burnes
R
 4.05 4.27 4.30 4.75 4.64 4.75 4.75 3.6% 63.2% 10.2% 4.1 21.2% 8.4 2.08 1.39 67.9% 3.50 0 0 0.0%
Merrill Kelly
R
 4.41 3.24 2.85 4.75 4.69 4.75 4.76 3.7% 64.1% 8.9% 3.3 18.5% 6.9 2.08 1.13 66.7% 1.68 0 0 0.0%
Eduardo Rodriguez
L
 4.40 4.10 3.61 2.82 2.85 2.82 2.81 2.5% 63.7% 5.7% 2.2 27.6% 10.7 4.86 1.43 61.0% 2.78 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.