Cincinnati Kelly's Killers Earned Run Average Leaders
Career totals with the Cincinnati Kelly's Killers and the best single seasons in club history. Records run through the 2025 season.
The single-season record is 2.45, by Ed Crane in 1891.
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 Cincinnati Kelly's Killers leaders
Career totals with the clubNo qualifying careers on record.
Single-season Cincinnati Kelly's Killers records
Best seasons in club history| # | Player | Season | ERA | G |
|---|---|---|---|---|
| 1 |
 Ed Crane
|
1891 | 2.45 | 32 |
| 2 |
 Willard Mains
|
1891 | 2.69 | 30 |
| 3 |
 Frank Dwyer
|
1891 | 4.52 | 35 |