Cooper Hjerpe

Career Stats, Bio & Records (2026)

Cooper Hjerpe is a pitcher who has played in Major League Baseball since 2026 for the St. Louis Cardinals. Across 1 career appearance, he has gone 1-0 with a 0.00 ERA and 6 strikeouts.

W (Wins):
Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
ERA (Earned Run Average):
Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
SO (Strikeouts):
For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
WHIP (Walks and Hits per Inning Pitched):
Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.

Data updated

Active Player
W–L 1–0
ERA 0.00
WHIP 0.00
SO 6
Bats / Throws
L / L
Height / Weight
6'3" / 200 lb
Born
3/16/2001 in Davis, CA, USA
MLB Debut
2026-09-06
Jersey
#56
Draft
2022

Full name: Cooper Hjerpe Hjerpe

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Career Pitching Statistics

Cooper Hjerpe — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
1 0 1 0 0 0 0 4.0 0 0 0 0 6 0.00 0

Career ERA 0.00 vs. league average 4.18 across their career seasons — 100.0% better than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Cooper Hjerpe — Season-by-Season Pitching
Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
2026 STL NL 1 0 1 0 0 0 0 4.0 0 0 0 6 0.00 — -
Career · 1 season 1 0 1 0 0 0 0 4.0 0 0 0 6 0.00 — 0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Frequently Asked Questions about Cooper Hjerpe

Was Cooper Hjerpe a pitcher?
Yes. Cooper Hjerpe pitched in the major leagues, recording 1 wins and 6 strikeouts.
What was Cooper Hjerpe's career ERA?
Cooper Hjerpe finished with a 0.00 career ERA, going 1-0 with 6 strikeouts.
How many strikeouts did Cooper Hjerpe have?
Cooper Hjerpe recorded 6 career strikeouts.
Is Cooper Hjerpe in the Hall of Fame?
No. Cooper Hjerpe has not been inducted into the National Baseball Hall of Fame.
What teams did Cooper Hjerpe play for?
Cooper Hjerpe played for the St. Louis Cardinals.