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How to read this page

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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.

STL

Cooper Hjerpe

all 4 shown▶
Playing TimeDefensevs Relief Pitchers▶
Games Pitched4
Games Started0
Innings Pitched12.1
Batters Faced55
Pitches Thrown254
ResultsDefensevs Relief Pitchers▶
Wins1
Losses0
Earned Runs6
Earned Run Average4.38
Runs Allowed6
Hits Allowed7
Hits per 95.1
Walks and Hits per Inning1.30
Home Runs Allowed0
Home Runs per 90.0
Strikeouts15
Strikeout Rate27.3%
Strikeouts per 910.9
CommandDefensevs Relief Pitchers▶
Walks Allowed9
Walk Rate16.4%
Strikeout to Walk Ratio1.67
Walks per 96.6
Intentional Walks0
Hit Batters2
Wild Pitches0
Balks0
Strike Rate62.2%
ReliefDefensevs Relief Pitchers▶
Saves0
Save Opportunities0
Blown Saves0
Holds0
Games Finished0
Inherited Runners0
Inherited Runners Scored0
4 games
DateOppIPWLSVHHRKBBERAWHIP
STLSep 24, 2026@PITPIT3.100030330.001.80
STLSep 18, 2026WSHWSH400020324.501.00
STLSep 12, 2026CWSCWS1000203436.006.00
STLSep 6, 2026@COLCOL410000600.000.00

About MLB Research

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Every number the site holds for a Major League team and the players who played for it, in one place. Pick a club, a season and a set of games, and read it. Nothing here needs an account.

Where the numbers come from

The same tables the boards read, resolved through one shared definition per stat. A rate is computed over the whole window rather than averaged across games, so a season figure is not the mean of the nightly ones.