Boston Reds Strikeout-to-Walk Leaders
Career totals with the Boston Reds and the best single seasons in club history. Records run through the 2025 season.
The single-season record is 1.32, by Charlie Buffinton 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 Boston Reds leaders
Career totals with the clubNo qualifying careers on record.
Single-season Boston Reds records
Best seasons in club history| # | Player | Season | K/BB | G |
|---|---|---|---|---|
| 1 |
 Charlie Buffinton
|
1891 | 1.32 | 48 |
| 2 |
 George Haddock
|
1891 | 1.23 | 51 |
| 3 |
 Ad Gumbert
|
1890 | 0.93 | 40 |
| 4 |
 Old Hoss Radbourn
|
1890 | 0.80 | 41 |
| 5 |
 Cinders O'Brien
|
1891 | 0.69 | 40 |
| 6 |
 Bill Daley
|
1890 | 0.65 | 36 |
| 7 |
 Matt Kilroy
|
1890 | 0.55 | 30 |