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A player page shows one box score, because a hitter and a pitcher share almost no column — which half you get follows the one he appears in. Every rate is built from summed counts, so a batting average is hits over at bats across whatever window you picked rather than an average of nightly averages. Pitchers rank against starters or relievers, which is the split the sport itself draws. A dash means no number for that cell, or a zero in a roster column that counts.

BOS

Justin Slaten

In holds, Justin Slaten is 34th of 287 relief pitchers, at 17.

94th beats 94% of the Relief Pitchers; 1 is the best of however many the row says. Higher is always better, whichever way the stat runs. Red to green by where the placing sits. A stat with no better end is left unpainted.

all 4 shown▶
Playing TimeDefensevs Relief Pitchers▶
Games Pitched36
Games Started0
Innings Pitched2915th245/287
Batters Faced13716th242/287
Pitches Thrown50813th250/287
ResultsDefensevs Relief Pitchers▶
Wins235th159/287
Losses426th190/287
Earned Runs1674th66/287
Earned Run Average4.9726th184/248
Runs Allowed2066th94/287
Hits Allowed3571st78/287
Hits per 910.910th224/248
Walks and Hits per Inning1.4832nd170/248
Home Runs Allowed467th82/287
Home Runs per 91.237th157/248
Strikeouts3929th201/287
Strikeout Rate28.5%—
Strikeouts per 912.190th25/248
CommandDefensevs Relief Pitchers▶
Walks Allowed896th12/287
Walk Rate5.8%—
Strikeout to Walk Ratio4.88—
Walks per 92.589th28/248
Intentional Walks014th205/287
Hit Batters093rd1/287
Wild Pitches089th1/287
Balks057th1/287
Strike Rate67.1%—
ReliefDefensevs Relief Pitchers▶
Saves015th204/287
Save Opportunities1
Blown Saves170th54/287
Holds1788th34/287
Games Finished3
Inherited Runners16
Inherited Runners Scored1
Inherited Runners Scored Rate6.3%98th6/237
36 games
DateOppIPWLSVHHRKBBERAWHIP
BOSAug 12, 2026@TORTOR100000110.001.00
BOSAug 8, 2026ATHATH0.2000100113.503.00
BOSAug 6, 2026CWSCWS100030209.003.00
BOSAug 2, 2026@LADLAD00000000——
BOSAug 1, 2026@LADLAD110000100.000.00
BOSJuly 29, 2026@ATHATH100010100.001.00
BOSJuly 27, 2026@ATHATH0.200000000.000.00
BOSJuly 26, 2026TORTOR100000100.000.00
BOSJuly 22, 2026BALBAL0.100010100.003.00
BOSJuly 17, 2026TBTB100000100.000.00
BOSJuly 11, 2026@NYMNYM0.200010210.003.00
BOSJuly 9, 2026@CWSCWS100000100.000.00
BOSJuly 7, 2026@CWSCWS0.200000200.000.00
BOSJuly 5, 2026@LAALAA100020109.002.00
BOSJune 30, 2026WSHWSH00002020——
BOSJune 28, 2026NYYNYY110010100.001.00
BOSJune 27, 2026NYYNYY0.200000200.000.00
BOSJune 24, 2026@COLCOL1010401018.004.00
BOSJune 23, 2026@COLCOL100010000.001.00
BOSJune 19, 2026@SEASEA0.100000100.000.00
BOSJune 18, 2026TORTOR100020100.002.00
BOSJune 13, 2026TEXTEX100010100.001.00
BOSJune 10, 2026@TBTB0.2000310027.004.50
BOSJune 7, 2026@NYYNYY0.2010312154.006.00
BOSJune 5, 2026@NYYNYY0.200000000.000.00
BOSMay 30, 2026@CLECLE1.100010210.001.50
BOSMay 22, 2026MINMIN0.2010421154.007.50
BOSMay 19, 2026@KCKC100000200.000.00
BOSMay 18, 2026@KCKC100000200.000.00
BOSMay 14, 2026PHIPHI0.200010100.001.50
BOSMay 13, 2026PHIPHI100010000.001.00
BOSMay 10, 2026TBTB100000100.000.00
BOSApril 4, 2026SDSD100010100.001.00
BOSApril 3, 2026SDSD100000100.000.00
BOSMarch 28, 2026@CINCIN0.101010110.006.00
BOSMarch 26, 2026@CINCIN100000210.001.00
By season3 seasons
SeasonGGSIPWLSVERAWHIPHHRKBB
2026BOS360292404.971.48354398
2025BOS360342434.241.092732510
2024BOS44055.16222.931.01474589

About MLB Research

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