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Baltimore Orioles Walks Allowed Leaders

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

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Sadie McMahon holds the Baltimore Orioles career record with 681 walks allowed. The single-season record is 182, by Matt Kilroy in 1886.

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

All-time Baltimore Orioles leaders

Career totals with the club
# Player With the club BB G
1 Sadie McMahon Sadie McMahon 1890–1896 681 236
2 Matt Kilroy Matt Kilroy 1886–1889 560 236
3 Bert Cunningham Bert Cunningham 1888–1891 436 120
4 Hardie Henderson Hardie Henderson 1883–1886 386 177
5 Bill Hoffer Bill Hoffer 1895–1898 339 118
6 Phenomenal Smith Phenomenal Smith 1887–1888 313 93
7 Tony Mullane Tony Mullane 1893–1894 214 55
8 Jerry Nops 1896–1899 203 99
9 Bill Hawke 1893–1894 186 61
10 George Hemming George Hemming 1894–1896 176 65
11 Bob Emslie Bob Emslie 1883–1885 159 87
12 Frank Foreman Frank Foreman 1885–1892 157 58
13 Duke Esper Duke Esper 1894–1896 154 70
14 Arlie Pond Arlie Pond 1895–1898 150 69
15 George Cobb 1892 140 53
16 Joe Corbett Joe Corbett 1896–1897 132 45
17 James McJames James McJames 1898 113 45
18 Jay Hughes Jay Hughes 1898 100 38
18 Frank Kitson Frank Kitson 1898–1899 100 57
20 Joe McGinnity Joe McGinnity 1899 93 48
21 Kid Madden 1891 88 32
22 Tom Vickery 1892 87 24
23 Dad Clarkson Dad Clarkson 1895–1896 82 27
24 Egyptian Healy 1891–1892 78 32
25 Harry Howell Harry Howell 1899 69 28

Single-season Baltimore Orioles records

Best seasons in club history
# Player Season BB G
1 Matt Kilroy Matt Kilroy 1886 182 68
2 Phenomenal Smith Phenomenal Smith 1887 176 58
3 Bert Cunningham Bert Cunningham 1888 157 51
3 Matt Kilroy Matt Kilroy 1887 157 69
5 Sadie McMahon Sadie McMahon 1893 156 43
6 Sadie McMahon Sadie McMahon 1891 149 61
7 Sadie McMahon Sadie McMahon 1892 145 48
8 Matt Kilroy Matt Kilroy 1889 142 59
9 Bert Cunningham Bert Cunningham 1889 141 39
10 George Cobb 1892 140 53
11 Bert Cunningham Bert Cunningham 1891 138 30
12 Frank Foreman Frank Foreman 1889 137 51
12 Phenomenal Smith Phenomenal Smith 1888 137 35
14 Bill Hoffer Bill Hoffer 1895 124 41
14 Tony Mullane Tony Mullane 1893 124 34
16 Hardie Henderson Hardie Henderson 1885 117 61
17 Hardie Henderson Hardie Henderson 1884 116 52
18 Joe Corbett Joe Corbett 1897 115 37
19 James McJames James McJames 1898 113 45
20 Sadie McMahon Sadie McMahon 1894 111 35
21 Bill Hawke 1893 108 29
22 Bill Hoffer Bill Hoffer 1897 104 38
23 Jay Hughes Jay Hughes 1898 100 38
24 George Hemming George Hemming 1895 96 34
25 Bill Hoffer Bill Hoffer 1896 95 35