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1891 American Association Pitching Leaders

League Index / Batting Leaders / Pitching Leaders / Map of Teams / Other Years: 1890
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League Player Pitching

Rk Name Age Tm Lev Aff W L W-L% ERA RAvg G GS GF CG SHO SV IP H R ER HR BB IBB SO HBP BK WP BF WHIP H9 HR9 BB9 SO9 SO/W
1 Sadie McMahon 23 BL3 MLB 35 24 .593 2.81 4.63 61 58 3 53 5 1 503.0 493 259 157 13 149 219 17 0 16 2155 1.276 8.8 0.2 2.7 3.9 1.47
2 George Haddock 24 BS2 MLB 34 11 .756 2.49 4.08 51 47 4 37 5 1 379.2 330 172 105 8 137 169 14 0 25 1611 1.230 7.8 0.2 3.2 4.0 1.23
3 Jack Stivetts 23 SL4 MLB STL 33 22 .600 2.86 4.85 64 56 8 40 3 1 440.0 357 237 140 15 232 259 18 0 28 1916 1.339 7.3 0.3 4.7 5.3 1.12
4 Gus Weyhing 24 PH4 MLB 31 20 .608 3.18 4.62 52 51 1 51 3 0 450.0 428 231 159 12 161 219 31 0 28 1959 1.309 8.6 0.2 3.2 4.4 1.36
5 Charlie Buffinton 30 BS2 MLB 29 9 .763 2.55 3.79 48 43 4 33 2 1 363.2 303 153 103 8 120 158 7 0 19 1512 1.163 7.5 0.2 3.0 3.9 1.32
6 Phil Knell* 26 CL6 MLB 28 27 .509 2.92 4.44 58 52 5 47 5 0 462.0 363 228 150 4 226 228 54 0 23 2017 1.275 7.1 0.1 4.4 4.4 1.01
7 Ice Box Chamberlain 23 PH4 MLB 22 23 .489 4.22 5.83 49 46 3 44 0 0 405.2 397 263 190 10 206 204 12 0 21 1822 1.486 8.8 0.2 4.6 4.5 0.99
8 Willie McGill* 17 SL4,CN3 MLB STL 20 14 .588 3.20 5.92 41 37 4 26 1 1 298.0 276 196 106 11 163 165 15 0 18 1340 1.473 8.3 0.3 4.9 5.0 1.01
9 Frank Dwyer 23 CN3,ML3 MLB 19 23 .452 3.98 6.38 45 41 4 39 1 0 375.0 424 266 166 12 145 128 14 0 7 1699 1.517 10.2 0.3 3.5 3.1 0.88
10 Frank Foreman 28 WS9 MLB 18 20 .474 3.73 6.39 43 41 2 39 1 1 345.1 381 245 143 9 142 170 43 0 14 1593 1.514 9.9 0.2 3.7 4.4 1.20
11 Cinders O'Brien 24 BS2 MLB 18 13 .581 3.65 6.60 40 30 9 22 0 2 268.2 300 197 109 13 127 87 20 0 13 1246 1.589 10.0 0.4 4.3 2.9 0.69
12 Kid Carsey 18 WS9 MLB 14 37 .275 4.99 7.76 54 53 1 46 1 0 415.0 513 358 230 17 161 174 28 0 29 1937 1.624 11.1 0.4 3.5 3.8 1.08
13 Ed Crane 29 CN3 MLB 14 14 .500 2.45 5.44 32 31 1 25 1 0 250.0 216 151 68 3 139 122 14 0 16 1113 1.420 7.8 0.1 5.0 4.4 0.88
14 Warren Fitzgerald* 23 LS2 MLB 14 17 .452 3.34 5.29 32 31 1 28 3 0 267.0 265 157 99 5 89 110 12 0 10 1160 1.326 8.9 0.2 3.0 3.7 1.24
15 Clark Griffith 21 SL4,BS2 MLB STL 14 9 .609 3.74 6.16 34 21 13 15 0 2 226.1 242 155 94 11 73 88 20 0 9 1008 1.392 9.6 0.4 2.9 3.5 1.21
16 Red Ehret 22 LS2 MLB 13 13 .500 3.47 6.12 26 24 2 23 2 0 220.2 225 150 85 2 70 76 11 1 10 963 1.337 9.2 0.1 2.9 3.1 1.09
17 Kid Madden* 23 BL3,BS2 MLB 13 13 .500 4.19 6.98 33 28 5 21 1 1 232.0 249 180 108 6 94 62 27 0 15 1060 1.478 9.7 0.2 3.6 2.4 0.66
18 John Dolan 23 CL6 MLB 12 11 .522 4.16 5.80 27 24 3 19 0 0 203.1 216 131 94 8 84 68 0 0 8 905 1.475 9.6 0.4 3.7 3.0 0.81
19 Hank Gastright 26 CL6 MLB 12 19 .387 3.78 6.22 35 33 2 28 1 0 283.2 280 196 119 7 136 109 11 0 21 1271 1.467 8.9 0.2 4.3 3.5 0.80
20 Willard Mains 22 CN3,ML3 MLB 12 14 .462 3.07 6.14 32 25 6 20 0 0 214.0 210 146 73 4 117 78 12 0 13 976 1.528 8.8 0.2 4.9 3.3 0.67
21 Bert Cunningham 25 BL3 MLB 11 14 .440 4.01 6.85 30 25 5 21 0 0 237.2 241 181 106 8 138 59 11 0 23 1097 1.595 9.1 0.3 5.2 2.2 0.43
22 Ben Sanders 26 PH4 MLB 11 5 .688 3.79 5.28 19 18 1 15 0 0 145.0 157 85 61 3 37 40 8 0 3 633 1.338 9.7 0.2 2.3 2.5 1.08
23 Jouett Meekin 24 LS2 MLB 9 16 .360 4.28 6.27 28 25 3 24 2 0 221.0 223 154 105 2 106 141 6 0 21 992 1.489 9.1 0.1 4.3 5.7 1.33
24 Bill Daley* 23 BS2 MLB 8 6 .571 2.98 5.40 19 11 8 10 0 2 126.2 119 76 42 6 81 68 7 0 11 584 1.579 8.5 0.4 5.8 4.8 0.84
25 Jack Easton? 26 CL6,SL4 MLB STL 8 14 .364 4.59 7.14 27 24 3 19 0 0 198.0 208 157 101 8 86 87 21 2 13 905 1.485 9.5 0.4 3.9 4.0 1.01
26 Egyptian Healy 24 BL3 MLB 8 10 .444 3.75 6.55 23 22 1 19 0 0 170.1 179 124 71 6 57 54 5 0 8 748 1.386 9.5 0.3 3.0 2.9 0.95
27 George Davies 23 ML3 MLB 7 5 .583 2.65 4.24 12 12 0 12 1 0 102.0 94 48 30 2 35 61 3 0 5 435 1.265 8.3 0.2 3.1 5.4 1.74
28 Frank Killen* 20 ML3 MLB 7 4 .636 1.68 3.91 11 11 0 11 2 0 96.2 73 42 18 1 51 38 3 0 4 415 1.283 6.8 0.1 4.7 3.5 0.75
29 George Rettger 22 SL4 MLB STL 7 3 .700 3.40 6.12 14 12 2 10 1 1 92.2 85 63 35 4 51 49 8 0 6 420 1.468 8.3 0.4 5.0 4.8 0.96
30 Jersey Bakley 27 WS9,BL3 MLB 6 12 .333 4.24 7.66 21 18 3 16 0 0 163.1 175 139 77 7 90 45 7 0 12 758 1.622 9.6 0.4 5.0 2.5 0.50
31 Will Calihan 23 PH4 MLB 6 6 .500 6.43 8.28 13 11 2 11 0 0 112.0 151 103 80 7 47 28 12 0 4 543 1.768 12.1 0.6 3.8 2.2 0.60
32 Joe Neale 25 SL4 MLB STL 6 4 .600 4.24 5.95 15 11 4 9 1 3 110.1 109 73 52 4 36 24 7 0 10 480 1.314 8.9 0.3 2.9 2.0 0.67
33 Scott Stratton 21 LS2 MLB 6 13 .316 4.08 5.86 20 20 0 20 1 0 172.0 204 112 78 10 34 52 7 0 6 757 1.384 10.7 0.5 1.8 2.7 1.53
34 John Doran* 29 LS2 MLB 5 10 .333 5.43 7.93 15 14 1 12 1 0 126.0 160 111 76 3 75 55 13 0 9 623 1.865 11.4 0.2 5.4 3.9 0.73
35 Harry Burrell* 24 SL4 MLB STL 4 2 .667 4.81 7.53 7 4 3 3 0 1 43.0 51 36 23 4 21 19 2 0 6 202 1.674 10.7 0.8 4.4 4.0 0.90
36 Ed Daily 28 LS2 MLB 4 8 .333 5.74 8.81 15 14 1 11 0 0 111.1 149 109 71 6 48 27 8 0 12 536 1.769 12.0 0.5 3.9 2.2 0.56
37 Charlie Bell 22 LS2,CN3 MLB 3 6 .333 4.19 7.01 11 10 1 9 0 0 86.0 95 67 40 4 23 17 9 0 2 383 1.372 9.9 0.4 2.4 1.8 0.74
38 Buck Freeman* 19 WS9 MLB 3 2 .600 3.89 6.55 5 4 1 4 0 0 44.0 35 32 19 0 33 28 4 0 1 203 1.545 7.2 0.0 6.8 5.7 0.85
39 Sumner Bowman* 24 PH4 MLB 2 5 .286 3.44 7.15 8 8 0 8 0 0 68.0 73 54 26 0 37 22 5 0 2 317 1.618 9.7 0.0 4.9 2.9 0.59
40 Ted Breitenstein* 22 SL4 MLB STL 2 0 1.000 2.20 4.40 6 1 5 1 1 1 28.2 15 14 7 2 14 13 0 0 3 114 1.012 4.7 0.6 4.4 4.1 0.93
41 Ed Cassian 23 WS9 MLB 2 4 .333 5.60 10.70 7 5 2 5 0 0 53.0 73 63 33 4 35 14 5 0 7 271 2.038 12.4 0.7 5.9 2.4 0.40
42 Jack Leiper* 23 CL6 MLB 2 2 .500 5.40 8.60 6 5 1 4 0 0 45.0 41 43 27 3 39 19 4 0 3 218 1.778 8.2 0.6 7.8 3.8 0.49
43 Bob Miller? 23 WS9 MLB 2 5 .286 4.29 10.93 7 7 0 3 0 0 42.0 53 51 20 3 24 13 6 0 2 208 1.833 11.4 0.6 5.1 2.8 0.54
44 Dad Clarke 26 CL6 MLB 1 2 .333 6.26 8.22 5 3 2 2 0 0 23.0 32 21 16 0 16 3 1 0 6 117 2.087 12.5 0.0 6.3 1.2 0.19
45 Jesse Duryea 31 SL4 MLB STL 1 1 .500 3.38 4.88 3 3 0 2 0 0 24.0 19 13 9 0 10 13 0 0 4 100 1.208 7.1 0.0 3.8 4.9 1.30
46 Ed Eiteljorge 19 WS9 MLB 1 5 .167 6.16 9.83 8 7 1 6 0 0 61.1 79 67 42 3 41 23 9 0 2 311 1.957 11.6 0.4 6.0 3.4 0.56
47 John Fitzgerald? 21 BS2 MLB 1 1 .500 5.62 9.00 6 3 3 2 0 1 32.0 49 32 20 2 11 16 2 0 2 157 1.875 13.8 0.6 3.1 4.5 1.45
48 Jim Hughey 22 ML3 MLB 1 0 1.000 3.00 3.60 2 1 1 1 0 0 15.0 18 6 5 0 3 9 0 0 0 66 1.400 10.8 0.0 1.8 5.4 3.00
49 Matt Kilroy* 25 CN3 MLB 1 4 .200 2.98 8.34 7 6 1 4 0 0 45.1 51 42 15 1 19 6 8 0 0 213 1.544 10.1 0.2 3.8 1.2 0.32
50 George Meakim 25 PH4 MLB 1 4 .200 6.94 11.57 6 6 0 4 0 0 35.0 51 45 27 1 22 13 1 0 6 178 2.086 13.1 0.3 5.7 3.3 0.59
51 Bill Quarles? 21 WS9 MLB 1 1 .500 8.18 11.05 3 2 1 2 0 0 22.0 32 27 20 1 12 10 2 0 2 111 2.000 13.1 0.4 4.9 4.1 0.83
52 Larry Twitchell 27 CL6 MLB 1 1 .500 4.06 6.39 6 1 5 1 0 0 31.0 29 22 14 1 13 8 3 0 3 137 1.355 8.4 0.3 3.8 2.3 0.62
53 George Boone? 20 LS2 MLB 0 0 7.80 9.00 4 1 3 0 0 1 15.0 15 15 13 0 9 4 0 0 1 69 1.600 9.0 0.0 5.4 2.4 0.44
54 Martin Duke 24 WS9 MLB 0 3 .000 7.43 12.91 4 3 1 2 0 0 23.0 36 33 19 0 19 5 0 0 11 123 2.391 14.1 0.0 7.4 2.0 0.26
55 Gil Hatfield 36 WS9 MLB 0 0 11.00 14.00 4 0 4 0 0 0 18.0 29 28 22 1 14 3 0 0 2 97 2.389 14.5 0.5 7.0 1.5 0.21
56 George Keefe* 24 WS9 MLB 0 3 .000 2.68 10.22 5 4 1 4 0 1 37.0 44 42 11 0 17 11 1 0 3 172 1.649 10.7 0.0 4.1 2.7 0.65
57 Jack Keenan 22 CN3 MLB 0 1 .000 0.00 10.12 1 1 0 1 0 0 8.0 6 9 0 0 4 5 1 0 0 35 1.250 6.8 0.0 4.5 5.6 1.25
58 King Kelly 33 CN3 MLB 0 1 .000 5.28 8.80 3 0 2 0 0 0 15.1 21 15 9 2 7 0 1 0 1 75 1.826 12.3 1.2 4.1 0.0 0.00
59 John Lyston 24 CL6 MLB 0 1 .000 10.50 12.00 1 1 0 1 0 0 6.0 10 8 7 0 6 1 1 0 0 35 2.667 15.0 0.0 9.0 1.5 0.17
60 Harry Mace 24 WS9 MLB 0 1 .000 7.31 7.88 3 1 1 1 0 0 16.0 18 14 13 0 8 3 1 0 1 75 1.625 10.1 0.0 4.5 1.7 0.38
61 Tommy McCarthy 27 SL4 MLB STL 0 0 9.00 18.00 1 0 1 0 0 0 1.0 2 2 1 0 0 0 0 0 0 5 2.000 18.0 0.0 0.0 0.0
62 Paul Radford 29 BS2 MLB 0 0 0.00 0.00 1 0 0 0 0 0 1.0 0 0 0 0 0 0 0 0 0 3 0.000 0.0 0.0 0.0 0.0
63 John Slagle 21 CN3 MLB 0 0 0.00 0.00 1 0 1 0 0 1 1.1 3 0 0 0 1 1 0 0 0 8 3.000 20.2 0.0 6.8 6.8 1.00
64 Jim Sullivan 24 CL6 MLB 0 1 .000 4.00 9.00 1 1 0 1 0 0 9.0 10 9 4 1 5 1 1 0 1 43 1.667 10.0 1.0 5.0 1.0 0.20
65 Mike Sullivan 24 PH4 MLB 0 2 .000 3.50 6.50 2 2 0 2 0 0 18.0 17 13 7 2 10 7 3 0 2 84 1.500 8.5 1.0 5.0 3.5 0.70
66 George Van Haltren* 25 BL3 MLB 0 1 .000 5.09 13.30 6 1 5 0 0 0 23.0 38 34 13 1 10 7 4 0 3 120 2.087 14.9 0.4 3.9 2.7 0.70
67 Farmer Vaughn 27 CN3 MLB 0 0 3.86 11.57 1 0 1 0 0 0 7.0 12 9 3 0 1 0 1 0 0 35 1.857 15.4 0.0 1.3 0.0 0.00
68 Wild Bill Widner 24 CN3 MLB 0 1 .000 7.88 7.88 1 1 0 1 0 0 8.0 13 7 7 0 4 0 2 0 0 43 2.125 14.6 0.0 4.5 0.0 0.00

About the Minor League Data

Historical performance data for professional leagues (affiliated minor leagues, independent minor leagues, fall/winter leagues, and other international leagues) is provided by and licensed from 24-7 Baseball and Chadwick Baseball Bureau. It incorporates the work of many stalwart baseball researchers, including Cliff Blau, Art Cantu, Frank Hamilton, Reed Howard, Kevin Johnson, Bob McConnell, Jack Morris, and Ray Nemec, as well as members of the Minor Leagues Committee of the Society for American Baseball Research.

Perhaps most importantly, it builds upon the seminal work of Ed Washuta, who magnanimously provided the framework to make the whole thing possible.

Minor league Total Zone (Rctch&Rtz, 2005-2009) data provided by Baseballprojection.com and Minorleaguesplits.com.