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Thursday, 04/17/2025 12:35 PM 
 RecordStarterOpenLatest
 Gm#W-LPitcherMLO/UMLO/URL
 WAS Washington9538-12WILLIAMS(R)+1058.5o-05+1358o-05+1.5, -160
 PIT Pittsburgh9548-14HEANEY(L)-1158.5u-15-1458u-15-1.5, +140

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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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 Washington Nationals
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Mike SorokaSP Biceps15-day IL04/17/20250105.05441137.201.200
Mike Soroka (SP, Nationals) is on the 15-day IL due to a right biceps strain, out until early May. Next game: 04/17/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Lucas KnowlesSP Undisclosed60-day IL04/17/20250000.00000000.000.000
Lucas Knowles (SP, Nationals) on 60-day IL. Status unknown. Next game: 04/17/2025 at Pittsburgh. Info updated 04/17/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Cade CavalliSP Elbow15-day IL04/17/20250000.00000000.000.000
Cade Cavalli is on the 15-day IL due to elbow issues after Tommy John surgery, with no return date set. Next game: 4/17/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Pablo AldonisP UndisclosedQuestionable04/17/20250000.00000000.000.000
Pablo Aldonis (P) of the Washington Nationals is day-to-day with a questionable status ahead of the game on 04/17/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Zach BrzykcyRP Quad15-day IL04/17/20250000.00000000.000.000
Zach Brzykcy (RP, Nationals) on 15-day IL with a quad injury; status out indefinitely. Next game: 04/17/2025 at Pittsburgh.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Josiah GraySP Elbow60-day IL04/17/20250000.00000000.000.000
Josiah Gray of the Nationals is on the 60-day IL due to Tommy John surgery on his elbow; return date TBD.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Mason ThompsonSP Elbow60-day IL04/17/20250000.00000000.000.000
Mason Thompson (SP, Nationals) is on the 60-day IL recovering from Tommy John surgery with no return timetable.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Jake BennettSP Elbow7-day IL04/17/20250000.00000000.000.000
Jake Bennett (SP, Nationals) on 7-day IL for elbow injury. Next game: 04/17/2025 vs. Pittsburgh. Info updated 04/17/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Travis SykoraSP Hip7-day IL04/17/20250000.00000000.000.000
Travis Sykora (SP, Nationals) is on the 7-day IL due to a hip injury. Next game: 04/17/2025 at Pittsburgh.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Tyler StuartSP Elbow7-day IL04/17/20250000.00000000.000.000
Tyler Stuart (SP, Nationals) is on the 7-day IL with an elbow injury. Next game: 04/17/2025 at Pittsburgh. Updated info.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Derek LawRP Forearm15-day IL04/17/20250000.00000000.000.000
Derek Law (RP) on 15-day IL with right forearm inflammation, out indefinitely. Next game: 04/17/2025 vs. Pittsburgh.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Orlando RibaltaSP Biceps15-day IL04/17/20250007.75552465.871.174
Orlando Ribalta placed on 15-day IL with a right bicep strain; he's out indefinitely. Next game on 04/17/2025 vs. Pittsburgh.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
DJ HerzRP Elbow60-day IL04/17/20250000.00000000.000.000
DJ Herz (RP, Nationals) is on the 60-day IL for Tommy John surgery. No return date set. Next game: 04/17/2025.
 Pittsburgh Pirates
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Dauri MoretaRP Elbow60-day IL04/17/20250000.00000000.000.000
Dauri Moreta (RP, Pirates) is on the 60-day IL recovering from Tommy John surgery; return timetable unknown.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Johan OviedoSP Lat60-day IL04/17/20250000.00000000.000.000
Johan Oviedo is on the 60-day IL with a right elbow and lat injury, missing an indefinite length of time.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Andres SilveraP Undisclosed60-day IL04/17/20250000.00000000.000.000
Andres Silvera (P) is on the 60-day IL for the Pittsburgh Pirates; next game is 04/17/2025 vs. Washington.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Sean SullivanSP Elbow7-day IL04/17/20250000.00000000.000.000
Sean Sullivan of the Pittsburgh Pirates is on the 7-day IL due to an elbow injury. Next game: 04/17/2025 vs. Washington.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Burch SmithRP Undisclosed7-day IL04/17/20250000.00000000.000.000
Burch Smith (RP) on 7-day IL for Pittsburgh Pirates; status unknown. Next game on 04/17/2025 vs. Washington.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Colin HoldermanRP Knee15-day IL04/17/20250004.76551469.642.143
Colin Holderman of the Pirates is on the 15-day IL due to a knee injury with no return date set. Next game: 04/17/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Carlson ReedSP Back60-day IL04/17/20250000.00000000.000.000
Carlson Reed (SP, Pirates) on 60-day IL with a back injury; next game is April 17, 2025, vs. Washington. Info updated 04/17/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Jared JonesSP Elbow60-day IL03/28/20250000.00000000.000.000
Jared Jones (SP, Pirates) is on the 60-day IL with a right elbow UCL sprain, out indefinitely. Next game: 04/17/2025 vs. Washington.

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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 Washington 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
Kyle Finnegan
R
 0 0 2.08 8 0 7 0 100.0% 8.7 7 2 2 0 5 0 0 11 2 0 1.385 0.219 0.324 0.375 0.699
Jose A. Ferrer
L
 0 2 4.91 10 4 0 0 0.0% 11.0 13 8 6 1 4 0 2 12 1 0 1.545 0.295 0.380 0.455 0.835
Jorge Lopez
R
 0 0 10.57 8 2 0 0 0.0% 7.7 9 9 9 1 4 0 2 5 1 0 1.696 0.281 0.395 0.438 0.832
Eduardo Salazar
R
 0 1 7.56 10 2 0 1 0.0% 8.3 15 7 7 2 3 0 0 6 0 1 2.160 0.375 0.419 0.625 1.044
Lucas Sims
R
 1 0 15.26 12 1 0 1 0.0% 7.7 11 13 13 2 9 0 4 8 1 0 2.609 0.333 0.522 0.667 1.188
Colin Poche
L
 1 2 19.29 8 0 0 0 0.0% 4.7 8 11 10 0 10 0 0 6 0 0 3.857 0.421 0.621 0.579 1.200
Orlando Ribalta
R
 0 0 5.87 4 1 0 0 0.0% 7.7 5 5 5 2 4 0 0 6 0 0 1.174 0.172 0.273 0.379 0.652
Jackson Rutledge
R
 0 0 5.40 3 0 0 0 0.0% 5.0 5 3 3 1 3 0 0 8 1 0 1.600 0.263 0.364 0.421 0.785
Cole Henry
R
 0 0 0.00 2 0 0 0 0.0% 2.0 2 0 0 0 0 0 0 2 0 0 1.000 0.250 0.250 0.375 0.625
MacKenzie Gore
L
 2 2 3.41 5 0 0 0 0.0% 29.0 27 11 11 3 8 0 1 45 1 0 1.207 0.252 0.310 0.393 0.703
Jake Irvin
R
 1 0 3.91 4 0 0 0 0.0% 23.0 21 10 10 4 7 0 0 18 0 0 1.217 0.241 0.298 0.448 0.746
Mike Soroka
R
 0 1 7.20 1 0 0 0 0.0% 5.0 5 4 4 1 1 0 0 3 0 0 1.200 0.250 0.286 0.550 0.836
Mitchell Parker
L
 2 1 1.85 4 0 0 0 0.0% 24.3 18 6 5 1 9 0 2 16 1 0 1.110 0.202 0.290 0.270 0.560
Brad Lord
R
 0 1 4.82 5 0 0 0 0.0% 9.3 11 6 5 0 7 0 0 5 0 0 1.929 0.324 0.439 0.382 0.821
DJ Herz
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
Josiah Gray
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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 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
 0 0 2.00 9 2 2 0 100.0% 9.0 6 2 2 0 3 0 0 5 0 0 1.000 0.200 0.273 0.300 0.573
Caleb Ferguson
L
 0 0 1.64 11 3 0 0 0.0% 11.0 7 2 2 0 6 1 1 6 0 0 1.182 0.189 0.318 0.216 0.534
Ryan Borucki
L
 0 0 4.00 10 4 0 1 0.0% 9.0 6 5 4 0 3 1 0 8 0 1 1.000 0.188 0.257 0.250 0.507
David Bednar
R
 0 2 13.50 4 0 1 0 100.0% 2.0 6 4 3 1 2 1 0 3 1 0 4.000 0.500 0.571 0.917 1.488
Colin Holderman
R
 0 0 9.64 5 1 0 2 0.0% 4.7 6 5 5 1 4 0 1 6 1 0 2.143 0.300 0.440 0.500 0.940
Joey Wentz
L
 1 1 0.77 8 0 0 0 0.0% 11.7 6 3 1 0 5 2 1 11 0 0 0.943 0.146 0.255 0.146 0.402
Chase Shugart
R
 0 0 1.93 4 0 0 0 0.0% 4.7 3 1 1 0 3 0 0 2 1 0 1.286 0.188 0.316 0.250 0.566
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
Kyle Nicolas
R
 0 0 32.40 3 0 0 0 0.0% 1.7 5 6 6 0 4 0 0 2 0 0 5.400 0.455 0.600 0.727 1.327
Justin Lawrence
R
 1 0 0.93 9 2 0 1 0.0% 9.7 4 1 1 0 4 1 1 14 0 0 0.828 0.133 0.257 0.200 0.457
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
 2 2 2.87 5 0 0 0 0.0% 31.3 21 12 10 1 4 0 1 30 1 0 0.798 0.186 0.220 0.274 0.495
Mitch Keller
R
 1 2 4.30 4 0 0 0 0.0% 23.0 23 11 11 1 8 0 3 17 1 0 1.348 0.253 0.333 0.319 0.652
Bailey Falter
L
 1 2 4.91 4 0 0 0 0.0% 22.0 19 14 12 3 7 0 1 15 2 0 1.182 0.247 0.318 0.429 0.746
Carmen Mlodzinski
R
 1 3 7.41 4 0 0 0 0.0% 17.0 26 14 14 1 8 0 0 14 0 0 2.000 0.351 0.415 0.486 0.901
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

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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 Washington 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%
Kyle Finnegan
R
 2.08 2.69 2.87 2.29 2.44 2.29 2.31 0.0% 61.8% 13.2% 5.2 28.9% 11.4 2.20 1.85 83.3% 2.67 5 2 40.0%
Jose A. Ferrer
L
 4.91 4.87 5.36 3.74 3.67 3.74 3.79 2.0% 69.1% 7.7% 3.3 23.1% 9.8 3.00 1.45 62.5% 2.80 7 2 28.6%
Jorge Lopez
R
 10.57 5.60 6.55 5.84 5.57 5.84 5.78 2.6% 68.2% 10.5% 4.7 13.2% 5.9 1.25 1.17 44.1% 4.00 2 0 0.0%
Eduardo Salazar
R
 7.56 9.36 9.87 5.86 5.23 5.86 5.94 4.7% 64.8% 7.0% 3.2 14.0% 6.5 2.00 1.08 72.4% 15.00 10 8 80.0%
Lucas Sims
R
 15.26 9.67 13.74 9.49 8.48 9.49 9.56 4.3% 56.1% 19.1% 10.6 17.0% 9.4 0.89 2.22 51.9% 5.00 4 3 75.0%
Colin Poche
L
 19.29 11.33 14.77 6.96 6.36 6.96 6.65 0.0% 48.3% 31.3% 19.3 18.8% 11.6 0.60 3.43 38.9% 1.00 8 6 75.0%
Orlando Ribalta
R
 5.87 4.00 3.40 6.49 6.35 6.49 6.49 6.1% 63.4% 12.5% 4.7 18.8% 7.0 1.50 1.30 64.5% 2.25 3 0 0.0%
Jackson Rutledge
R
 5.40 5.40 5.63 4.30 4.06 4.30 4.35 4.5% 66.7% 13.0% 5.4 34.8% 14.4 2.67 2.20 75.8% 0.50 0 0 0.0%
Cole Henry
R
 0.00 2.25 1.88 1.10 1.41 1.10 0.67 0.0% 70.0% 0.0% 0.0 25.0% 9.0 0.00 1.00 100.0% 1.00 2 1 50.0%
MacKenzie Gore
L
 3.41 3.42 3.36 2.27 2.31 2.27 2.26 2.6% 63.8% 6.5% 2.5 36.6% 14.0 5.63 1.83 78.6% 0.80 0 0 0.0%
Jake Irvin
R
 3.91 4.06 3.70 4.71 4.60 4.71 4.71 4.3% 65.7% 7.2% 2.7 18.6% 7.0 2.57 1.09 80.4% 2.00 0 0 0.0%
Mike Soroka
R
 7.20 4.49 3.81 5.10 4.94 5.10 5.09 4.8% 68.7% 4.8% 1.8 14.3% 5.4 3.00 0.80 43.5% 7.00 0 0 0.0%
Mitchell Parker
L
 1.85 2.22 2.39 3.68 3.81 3.68 3.67 1.0% 65.6% 8.8% 3.3 15.7% 5.9 1.78 1.03 83.3% 1.80 0 0 0.0%
Brad Lord
R
 4.82 5.11 5.89 4.28 4.48 4.28 4.24 0.0% 57.1% 15.2% 6.8 10.9% 4.8 0.71 1.29 66.7% 4.50 2 0 0.0%
DJ Herz
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%
Josiah Gray
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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 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
 2.00 1.41 1.61 2.99 3.15 2.99 3.03 0.0% 70.9% 8.3% 3.0 13.9% 5.0 1.67 0.89 77.8% 0.90 2 1 50.0%
Caleb Ferguson
L
 1.64 1.79 2.09 3.92 4.23 3.92 3.61 0.0% 64.0% 12.8% 4.9 12.8% 4.9 1.00 1.09 85.7% 1.67 2 0 0.0%
Ryan Borucki
L
 4.00 1.38 1.51 2.32 2.50 2.32 2.02 0.0% 62.2% 8.3% 3.0 22.2% 8.0 2.67 1.22 44.4% 0.00 7 0 0.0%
David Bednar
R
 13.50 19.31 24.40 9.60 7.07 9.60 8.15 7.1% 61.1% 14.3% 9.0 21.4% 13.5 1.50 2.50 60.6% 0.00 0 0 0.0%
Colin Holderman
R
 9.64 7.68 9.22 6.53 5.88 6.53 6.71 4.0% 63.6% 16.0% 7.7 24.0% 11.6 1.50 2.14 62.5% 0.00 2 2 100.0%
Joey Wentz
L
 0.77 0.83 1.29 2.76 2.96 2.76 2.23 0.0% 65.1% 10.6% 3.9 23.4% 8.5 2.20 1.37 75.0% 1.57 7 4 57.1%
Chase Shugart
R
 1.93 2.08 2.07 4.17 4.43 4.17 4.01 0.0% 55.0% 15.0% 5.8 10.0% 3.9 0.67 1.07 83.3% 2.00 1 0 0.0%
Tim Mayza
L
 2.89 3.26 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%
Kyle Nicolas
R
 32.40 18.64 23.69 7.90 5.99 7.90 7.91 0.0% 53.3% 28.6% 21.6 14.3% 10.8 0.50 3.60 33.3% 2.00 0 0 0.0%
Justin Lawrence
R
 0.93 0.22 1.20 1.76 1.77 1.76 1.47 0.0% 60.1% 10.5% 3.7 36.8% 13.0 3.50 1.86 88.9% 8.00 2 1 50.0%
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
 2.87 1.14 1.34 2.08 2.13 2.08 2.09 0.8% 66.7% 3.3% 1.1 25.0% 8.6 7.50 1.09 56.9% 3.00 0 0 0.0%
Mitch Keller
R
 4.30 3.52 3.79 3.62 3.66 3.62 3.62 1.0% 64.1% 7.8% 3.1 16.5% 6.7 2.13 1.09 70.6% 1.85 0 0 0.0%
Bailey Falter
L
 4.91 3.53 3.55 4.60 4.67 4.60 4.60 3.5% 61.1% 7.5% 2.9 16.1% 6.1 2.14 1.00 57.0% 1.43 0 0 0.0%
Carmen Mlodzinski
R
 7.41 6.69 7.19 3.63 3.63 3.63 3.64 1.2% 63.4% 9.4% 4.2 16.5% 7.4 1.75 1.29 61.3% 2.11 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%
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.