Single Season HR/9

Batters: PA AVG H R 2B 3B HR RBI SB OBP SLG OPS BB
Pitchers: ERA W L W% SH GS CG WHIP HR/9 SV SV%
Rank Player Year Team W L W-L% ERA G GS GF CG SH SV SV% IP BB SO WHIP BR9 HR9
1 Wilcy Moore 1927 MIT 22 6 .786 2.19 78 5 73 1 0 13 52 201.2 57 75 1.250 11.25 0.13
2 Guy Bush 1927 IMG 15 8 .652 2.51 37 23 14 2 0 4 100 190 71 76 1.137 10.23 0.14
3 George Pipgras 1927 BUM 10 9 .526 3.04 35 31 4 1 0 0 0 168.2 85 83 1.429 12.86 0.16
4 Sheriff Blake 1927 PBP 14 8 .636 4.06 45 23 22 8 0 4 80 213 105 65 1.610 14.49 0.17
5 Lefty Grove 1927 SRR 14 16 .467 2.99 73 26 47 5 2 4 50 274.1 128 184 1.436 12.93 0.20
6 Joe Magrane 1987 LIO 6 8 .429 3.80 23 23 0 2 0 0 0 158.2 61 94 1.361 12.25 0.23
Jakie May 1927 PBP 17 12 .586 3.41 56 23 33 11 3 1 50 235 93 130 1.349 12.14 0.23
Dutch Henry 1927 CIR 11 10 .524 3.79 48 18 30 3 1 4 57 156.2 47 55 1.321 11.89 0.23
9 Mountain Drop Mitchell 1927 MNL 10 5 .667 3.09 34 18 16 6 1 2 40 166 59 35 1.349 12.14 0.27
Willis Hudlin 1927 DIN 13 12 .520 3.42 38 38 0 6 1 0 0 263.1 70 78 1.375 12.37 0.27
Freddie Fitzsimmons 1927 PBP 11 11 .500 3.40 51 27 24 4 1 8 67 230.1 78 81 1.520 13.68 0.27
12 Jon Matlack 1974 IMG 12 9 .571 2.30 25 25 0 9 2 0 0 195.1 56 142 1.080 9.72 0.28
13 Jesse Petty 1927 GTL 16 18 .471 3.02 40 36 4 14 1 0 0 283.1 74 103 1.214 10.93 0.29
George Harney 1927 SRR 4 11 .267 5.15 36 30 6 0 0 0 0 155.2 50 59 1.722 15.49 0.29
15 Billy Pierce 1949 PBP 16 4 .800 2.17 75 15 60 1 0 2 40 182.2 121 102 1.363 12.27 0.30
Paul Splittorff 1977 MWB 13 6 .684 3.88 33 33 0 2 0 0 0 181 95 84 1.602 14.42 0.30
Robert McClure 1927 PBP 10 18 .357 4.82 49 35 14 5 1 1 100 240.2 118 53 1.546 13.91 0.30
Kevin Brown 1997 HRH 17 6 .739 1.94 34 34 0 4 2 0 0 236.1 82 187 1.058 9.52 0.30
19 Dutch Ruether 1927 COL 7 13 .350 4.43 33 32 1 1 0 0 0 176.2 63 52 1.670 15.03 0.31
Bump Hadley 1927 IMG 13 12 .520 4.12 39 27 12 3 1 1 50 203.1 88 74 1.554 13.99 0.31
Ray Kremer 1927 TBK 11 12 .478 3.21 34 29 5 11 4 2 100 229.2 66 67 1.271 11.44 0.31
22 Virgil Barnes 1927 TLF 9 15 .375 4.23 32 32 0 0 0 0 0 198 65 59 1.545 13.91 0.32
Red Lucas 1927 COL 17 9 .654 3.14 35 33 2 8 0 0 0 252 58 67 1.131 10.18 0.32
Bob Smith 1927 MIT 7 10 .412 4.66 41 33 8 1 0 2 100 195 69 64 1.574 14.17 0.32
Sarge Connally 1927 COL 5 6 .455 5.12 63 10 53 2 0 5 100 167 82 49 1.653 14.87 0.32
26 Allie Reynolds 1949 PBP 8 13 .381 4.44 50 34 16 0 0 0 0 184.1 121 104 1.698 15.28 0.34
Huck Rile 1927 BUM 6 6 .500 3.96 32 32 0 3 1 0 0 156.2 66 41 1.564 14.07 0.34
Gerry Staley 1949 COL 17 10 .630 3.84 85 4 81 0 0 14 67 182.2 67 57 1.418 12.76 0.34
29 Ted Lyons 1927 BUM 23 13 .639 3.46 84 14 70 5 1 4 50 312 77 80 1.333 12.00 0.35
Willie Powell 1927 MWB 9 13 .409 4.57 42 25 17 2 0 1 50 181.1 97 66 1.621 14.59 0.35
31 Jimmy Newberry 1949 IMG 9 11 .450 3.60 63 14 49 0 0 3 75 150 40 41 1.220 10.98 0.36
Tal Strong 1927 CIR 14 14 .500 3.79 36 35 1 5 2 0 0 249.1 93 37 1.336 12.02 0.36
Pete Alexander 1927 MNL 18 12 .600 3.15 35 34 1 15 3 0 0 274 51 66 1.226 11.04 0.36
34 Jim Archer 1961 PBP 15 9 .625 2.49 38 25 13 4 1 1 50 195.1 59 108 1.280 11.52 0.37
Jack Quinn 1927 TBK 8 14 .364 2.93 30 26 4 7 2 0 0 193.1 62 48 1.407 12.66 0.37
36 Jim Perry 1974 GTL 7 12 .368 2.68 26 26 0 8 1 0 0 191.1 48 60 1.265 11.38 0.38
Bert Blyleven 1974 GTL 13 8 .619 2.45 27 27 0 13 1 0 0 213.1 65 200 1.144 10.29 0.38
Earl Whitehill 1927 MWB 12 9 .571 3.82 36 36 0 4 3 0 0 235.2 113 101 1.468 13.21 0.38
39 Joe Genewich 1927 COL 10 12 .455 4.24 33 32 1 1 0 0 0 186.2 64 53 1.430 12.87 0.39
Garland Buckeye 1927 MNL 9 13 .409 4.43 31 27 4 4 0 0 0 185 75 44 1.692 15.23 0.39
Jesse Haines 1927 IMG 16 19 .457 3.36 49 36 13 14 1 4 67 297.1 92 92 1.291 11.62 0.39
Tommy Thomas 1927 THD 24 9 .727 2.82 41 41 0 15 4 0 0 319.2 119 117 1.233 11.09 0.39
Carl Morton 1974 SSL 12 8 .600 3.46 25 25 0 7 0 0 0 182.1 63 74 1.431 12.88 0.39
44 Dazzy Vance 1927 MNL 10 20 .333 3.07 39 34 5 13 3 0 0 272.2 77 175 1.133 10.20 0.40
Carmen Hill 1927 SSL 19 11 .633 2.94 49 31 18 13 2 1 100 294.1 107 98 1.284 11.56 0.40
Hod Lisenbee 1927 TBK 14 9 .609 3.60 37 29 8 6 2 1 100 225 86 106 1.351 12.16 0.40
Dolf Luque 1927 MNL 16 8 .667 2.96 32 28 4 6 1 0 0 224.2 53 72 1.255 11.30 0.40
Corner Pocket Yokely 1927 TLF 18 11 .621 3.00 34 34 0 8 4 0 0 246.1 86 71 1.100 9.90 0.40
Eppa Rixey 1927 TBK 9 14 .391 3.99 39 28 11 5 0 0 0 201 48 41 1.493 13.43 0.40
50 Dolly Cooper 1927 DIN 18 6 .750 3.38 27 27 0 5 0 0 0 200 45 32 1.240 11.16 0.41
Bullet Joe Rogan 1927 BRI 6 12 .333 3.32 42 18 24 3 0 6 75 176 47 90 1.188 10.69 0.41
Howard Ehmke 1927 IMG 14 7 .667 3.75 50 24 26 3 0 0 0 197 58 110 1.310 11.79 0.41
53 Burleigh Grimes 1927 SSL 16 16 .500 2.65 46 32 14 5 2 0 0 258 94 115 1.291 11.62 0.42
54 Big Bill Foster 1927 SSL 10 16 .385 4.34 34 33 1 8 0 0 0 221.2 133 90 1.674 15.06 0.45
Ted Trent 1927 SRR 13 11 .542 3.98 44 36 8 2 0 0 0 239.2 123 87 1.444 12.99 0.45
Nip Winters 1927 THD 17 11 .607 3.64 37 37 0 1 0 0 0 257.1 95 53 1.325 11.93 0.45
57 Garland Braxton 1927 COL 17 8 .680 4.23 93 0 93 0 0 22 61 157.1 51 90 1.373 12.36 0.46
Yellowhorse Morris 1927 SSL 9 17 .346 4.17 36 33 3 7 0 0 0 215.2 102 62 1.567 14.11 0.46
Steve Busby 1974 LVS 5 10 .333 3.84 24 24 0 7 1 0 0 176 71 133 1.375 12.38 0.46
Frank Lary 1961 SUS 12 15 .444 2.82 30 29 1 9 5 0 0 214 61 107 1.131 10.18 0.46
David Price 2015 PVD 9 14 .391 2.87 32 32 0 1 0 0 0 213 42 214 1.169 10.52 0.46
62 Ray Scarborough 1949 GTL 7 9 .438 3.73 26 23 3 3 0 0 0 154.1 90 68 1.510 13.59 0.47
Bill Werle 1949 COL 11 6 .647 2.71 54 27 27 0 0 1 33 172.2 47 87 1.112 10.01 0.47
Nolan Ryan 1977 SRR 16 16 .500 3.26 37 37 0 10 0 0 0 268 206 298 1.474 13.26 0.47
Mel Parnell 1949 BRI 20 17 .541 3.35 40 40 0 18 5 0 0 322.1 134 133 1.350 12.15 0.47
66 Phil Niekro 1974 CIR 15 6 .714 2.58 28 28 0 14 7 0 0 227 83 152 1.106 9.95 0.48
Rick Reuschel 1977 BBS 12 14 .462 3.85 38 38 0 2 0 0 0 243 74 163 1.296 11.67 0.48
68 Dutch Ulrich 1927 DIN 14 8 .636 3.19 30 28 2 3 0 0 0 203 55 52 1.330 11.97 0.49
Milt Gaston 1927 MIT 8 15 .348 3.74 46 32 14 2 0 0 0 202.1 72 64 1.334 12.01 0.49
Mike Garcia 1949 IMG 11 11 .500 3.11 52 13 39 4 2 13 72 165 58 93 1.224 11.02 0.49
Dave Freisleben 1974 SEP 10 4 .714 2.97 25 25 0 4 2 0 0 163.2 72 115 1.265 11.38 0.49
72 Hank Miller 1949 TLF 13 10 .565 3.27 30 30 0 5 1 0 0 217.1 102 99 1.385 12.46 0.50
Tom Griffin 1974 CIR 10 9 .526 3.09 26 26 0 3 2 0 0 180.2 70 82 1.306 11.76 0.50
Jim Kaat 1974 IMG 10 6 .625 2.82 25 25 0 4 2 0 0 179 47 76 1.067 9.60 0.50
75 Dutch Leonard 1949 IMG 10 13 .435 4.52 47 25 22 1 1 1 50 159.1 59 81 1.387 12.48 0.51
Luther Farrell 1927 BUM 17 13 .567 3.98 43 43 0 9 1 0 0 283 77 72 1.360 12.24 0.51
Ken Holloway 1927 SRR 8 12 .400 4.08 43 27 16 0 0 0 0 159 66 39 1.623 14.60 0.51
Jumbo Elliott 1927 IMG 8 8 .500 4.59 51 15 36 3 1 5 50 158.2 60 112 1.601 14.41 0.51
Gready McKinnis 1949 SSL 11 15 .423 2.83 32 32 0 9 0 0 0 229 75 103 1.162 10.45 0.51
80 Toots Ferrell 1949 DIN 8 7 .533 3.81 107 0 107 0 0 1 14 174.2 70 59 1.385 12.47 0.52
Monty Kennedy 1949 COL 8 9 .471 3.62 38 32 6 2 0 0 0 174 104 71 1.615 14.53 0.52
Bob Kuzava 1949 COL 7 9 .438 3.58 35 31 4 1 0 0 0 155.2 115 99 1.645 14.80 0.52
Andy Cooper 1927 TBK 10 7 .588 3.07 29 18 11 8 3 1 100 155.1 14 44 1.120 10.08 0.52
84 Waite Hoyt 1927 BRI 15 13 .536 3.08 34 34 0 13 2 0 0 257 55 112 1.183 10.65 0.53
Charlie Root 1927 GTL 19 13 .594 2.99 40 39 1 19 3 0 0 322.1 131 146 1.198 10.78 0.53
Gene Richardson 1949 GTL 15 10 .600 3.23 35 35 0 7 4 0 0 253.2 109 136 1.329 11.96 0.53
Samuel Williams 1949 SRR 11 11 .500 4.97 46 32 14 0 0 0 0 202.2 100 82 1.658 14.92 0.53
Lefty Smith 1949 CIR 14 9 .609 3.43 35 24 11 7 2 0 0 202 125 86 1.391 12.52 0.53
89 Rube Walberg 1927 GTL 9 16 .360 4.75 38 29 9 5 3 2 50 217.2 99 103 1.475 13.27 0.54
Harry Salmon 1927 MIT 16 10 .615 2.75 79 17 62 11 1 7 78 281 63 108 1.125 10.12 0.54
Lee Meadows 1927 CIR 13 20 .394 3.51 40 40 0 14 0 0 0 297.1 83 77 1.305 11.74 0.54
92 Vic Aldridge 1927 CIR 16 11 .593 2.71 36 34 2 8 3 0 0 245.1 96 107 1.333 12.00 0.55
Webster McDonald 1927 BRI 9 9 .500 3.86 41 17 24 2 0 1 33 163.1 33 68 1.353 12.18 0.55
Early Wynn 1949 DIN 12 10 .545 3.91 43 31 12 0 0 0 0 179.2 56 60 1.380 12.42 0.55
Yoyo Diaz 1927 MWB 12 11 .522 4.46 34 33 1 3 0 0 0 195.2 97 91 1.579 14.21 0.55
96 Bill Sherdel 1927 THD 17 12 .586 4.04 36 36 0 8 1 0 0 243 78 70 1.473 13.26 0.56
Verdell Mathis 1949 QCK 9 13 .409 3.58 54 18 36 6 0 3 75 208.2 131 65 1.476 13.28 0.56
98 Mike Flanagan 1977 GTL 14 12 .538 3.41 31 31 0 6 1 0 0 229.2 65 159 1.232 11.09 0.59
Potato Piloto 1949 DIN 9 4 .692 3.06 86 5 81 0 0 8 73 153 56 50 1.268 11.41 0.59
Sid Hudson 1949 PBP 4 7 .364 5.00 55 21 34 1 1 0 0 167.1 72 46 1.554 13.98 0.59