St. Paul White Caps Earned Run Average Leaders
Career totals with the St. Paul White Caps and the best single seasons in club history. Records run through the 2025 season.
The single-season record is 1.80, by Billy O'Brien in 1884.
Rate records use the league's own minimums: a season needs the standard 1.0 inning per team game with the club, a career 1,000+ innings pitched with the club.
All-time St. Paul White Caps leaders
Career totals with the clubNo qualifying careers on record.
Single-season St. Paul White Caps records
Best seasons in club history| # | Player | Season | ERA | G |
|---|---|---|---|---|
| 1 |
 Billy O'Brien
|
1884 | 1.80 | 2 |
| 2 | Lou Galvin | 1884 | 2.88 | 3 |
| 3 |
 Jim Brown
|
1884 | 3.75 | 6 |