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Buffalo Bisons Losses Leaders

Career totals with the Buffalo Bisons and the best single seasons in club history. Records run through the 2025 season.

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George Haddock holds the Buffalo Bisons career record with 26 losses. The single-season record is 26, by George Haddock in 1890.

ERA W SO SV WHIP IP K/9 BB/9 K/BB SHO CG GS G L BB W-L%

All-time Buffalo Bisons leaders

Career totals with the club
# Player With the club L G
1 George Haddock George Haddock 1890 26 35
2 George Keefe George Keefe 1890 16 25
3 Bert Cunningham Bert Cunningham 1890 15 25
4 James Stafford James Stafford 1890 9 12
5 Alex Ferson 1890 7 10
5 Larry Twitchell Larry Twitchell 1890 7 13
7 Lady Baldwin Lady Baldwin 1890 5 7
8 John Buckley John Buckley 1890 3 4
8 Gus Krock Gus Krock 1890 3 4
10 Bill Duzen 1890 2 2
11 Dan Cotter Dan Cotter 1890 1 1
11 Fred Doe Fred Doe 1890 1 1
11 Lewis 1890 1 1

Single-season Buffalo Bisons records

Best seasons in club history
# Player Season L G
1 George Haddock George Haddock 1890 26 35
2 George Keefe George Keefe 1890 16 25
3 Bert Cunningham Bert Cunningham 1890 15 25
4 James Stafford James Stafford 1890 9 12
5 Alex Ferson 1890 7 10
5 Larry Twitchell Larry Twitchell 1890 7 13
7 Lady Baldwin Lady Baldwin 1890 5 7
8 John Buckley John Buckley 1890 3 4
8 Gus Krock Gus Krock 1890 3 4
10 Bill Duzen 1890 2 2
11 Dan Cotter Dan Cotter 1890 1 1
11 Fred Doe Fred Doe 1890 1 1
11 Lewis 1890 1 1