Single Season Starts Started Leaders
| Rank | Player | Year | Team | W | L | W-L% | ERA | G | GS | GF | CG | SH | SV | SV% | IP | BB | SO | WHIP | BR9 | HR9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Jay Heard | 1949 | CIR | 16 | 14 | .533 | 4.07 | 44 | 44 | 0 | 3 | 0 | 0 | 0 | 307.2 | 110 | 138 | 1.297 | 11.67 | 0.82 |
| 2 | 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 |
| Vic Raschi | 1949 | CIR | 13 | 18 | .419 | 4.79 | 43 | 43 | 0 | 6 | 0 | 0 | 0 | 298.2 | 194 | 137 | 1.610 | 14.49 | 0.63 | |
| 4 | 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 |
| Dave Goltz | 1977 | DIN | 16 | 15 | .516 | 3.88 | 41 | 41 | 0 | 5 | 0 | 0 | 0 | 294.1 | 106 | 183 | 1.277 | 11.50 | 0.76 | |
| Lefty Lamarque | 1949 | GTL | 15 | 16 | .484 | 4.15 | 41 | 41 | 0 | 12 | 2 | 0 | 0 | 297.1 | 80 | 110 | 1.339 | 12.05 | 0.64 | |
| Darryl Kile | 1997 | CIR | 11 | 18 | .379 | 4.32 | 41 | 41 | 0 | 1 | 0 | 0 | 0 | 256 | 148 | 189 | 1.457 | 13.11 | 1.09 | |
| Pat Hentgen | 1997 | CIR | 9 | 14 | .391 | 4.68 | 41 | 41 | 0 | 1 | 1 | 0 | 0 | 244 | 76 | 157 | 1.357 | 12.21 | 1.44 | |
| 9 | Bob Lemon | 1949 | SPS | 25 | 12 | .676 | 3.04 | 42 | 40 | 2 | 12 | 3 | 0 | 0 | 308.1 | 155 | 167 | 1.242 | 11.18 | 0.90 |
| 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 | |
| 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 | |
| Ken Raffensberger | 1949 | THD | 21 | 13 | .618 | 4.05 | 41 | 40 | 1 | 12 | 4 | 0 | 0 | 277.2 | 102 | 117 | 1.401 | 12.61 | 0.88 | |
| 13 | 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 |
| Ken Heintzelman | 1949 | SPS | 16 | 13 | .552 | 3.97 | 46 | 39 | 7 | 3 | 2 | 0 | 0 | 244.2 | 104 | 81 | 1.377 | 12.40 | 0.74 | |
| 15 | Tommy John | 1977 | MWB | 18 | 9 | .667 | 3.24 | 38 | 38 | 0 | 1 | 0 | 0 | 0 | 219.2 | 61 | 132 | 1.256 | 11.31 | 0.98 |
| Jim Palmer | 1977 | IMG | 16 | 14 | .533 | 3.38 | 38 | 38 | 0 | 6 | 0 | 0 | 0 | 288 | 107 | 205 | 1.205 | 10.84 | 0.97 | |
| 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 | |
| John Candelaria | 1977 | BUM | 11 | 12 | .478 | 3.54 | 38 | 38 | 0 | 0 | 0 | 0 | 0 | 231.1 | 59 | 163 | 1.176 | 10.58 | 0.89 | |
| Ed Figueroa | 1977 | BUM | 14 | 13 | .519 | 3.59 | 38 | 38 | 0 | 2 | 0 | 0 | 0 | 238 | 81 | 97 | 1.324 | 11.91 | 0.72 | |
| 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 | |
| Vern Bickford | 1949 | BRI | 13 | 15 | .464 | 4.46 | 38 | 38 | 0 | 3 | 1 | 0 | 0 | 252.1 | 115 | 129 | 1.403 | 12.63 | 0.64 | |
| Billy Powell | 1949 | SSL | 12 | 22 | .353 | 4.78 | 43 | 38 | 5 | 6 | 0 | 0 | 0 | 246.2 | 119 | 120 | 1.561 | 14.05 | 0.99 | |
| Sam Streeter | 1927 | MWB | 16 | 14 | .533 | 5.11 | 38 | 38 | 0 | 15 | 1 | 0 | 0 | 288.2 | 84 | 103 | 1.510 | 13.59 | 0.62 | |
| Dave Lemanczyk | 1977 | THD | 11 | 13 | .458 | 5.48 | 38 | 38 | 0 | 0 | 0 | 0 | 0 | 230 | 90 | 103 | 1.565 | 14.09 | 1.13 | |
| 25 | 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 |
| Steve Rogers | 1977 | COL | 21 | 9 | .700 | 3.27 | 37 | 37 | 0 | 9 | 2 | 0 | 0 | 275.1 | 92 | 203 | 1.271 | 11.44 | 0.78 | |
| Virgil Trucks | 1949 | PVA | 13 | 15 | .464 | 3.52 | 39 | 37 | 2 | 15 | 0 | 1 | 100 | 289 | 128 | 156 | 1.277 | 11.49 | 0.69 | |
| 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 | |
| Tom Seaver | 1977 | COL | 20 | 9 | .690 | 3.68 | 37 | 37 | 0 | 0 | 0 | 0 | 0 | 251.2 | 83 | 179 | 1.291 | 11.62 | 0.93 | |
| Phil Niekro | 1977 | SRR | 17 | 10 | .630 | 4.25 | 37 | 37 | 0 | 6 | 1 | 0 | 0 | 243.2 | 152 | 182 | 1.592 | 14.33 | 0.66 | |
| Gaylord Perry | 1977 | BUM | 15 | 10 | .600 | 4.36 | 37 | 37 | 0 | 2 | 0 | 0 | 0 | 229 | 65 | 175 | 1.397 | 12.58 | 0.94 | |
| Don Sutton | 1977 | THD | 17 | 9 | .654 | 4.57 | 37 | 37 | 0 | 2 | 0 | 0 | 0 | 240.1 | 88 | 162 | 1.456 | 13.11 | 1.24 | |
| Wayne Garland | 1977 | COL | 14 | 9 | .609 | 4.74 | 37 | 37 | 0 | 3 | 0 | 0 | 0 | 248.2 | 63 | 100 | 1.424 | 12.81 | 0.76 | |
| Mike Mccormick | 1961 | QQB | 13 | 6 | .684 | 4.76 | 37 | 37 | 0 | 0 | 0 | 0 | 0 | 221 | 91 | 139 | 1.376 | 12.38 | 1.34 | |
| Mark Lemongello | 1977 | COL | 7 | 14 | .333 | 5.78 | 37 | 37 | 0 | 0 | 0 | 0 | 0 | 176 | 78 | 91 | 1.790 | 16.11 | 0.82 | |
| 36 | Pedro Martinez | 1997 | SPS | 21 | 5 | .808 | 1.87 | 36 | 36 | 0 | 3 | 2 | 0 | 0 | 241 | 63 | 305 | 0.876 | 7.88 | 0.93 |
| 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 | |
| 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 | |
| Bert Blyleven | 1977 | MIT | 15 | 12 | .556 | 3.37 | 36 | 36 | 0 | 5 | 1 | 0 | 0 | 235 | 96 | 207 | 1.230 | 11.07 | 1.30 | |
| Don Cardwell | 1961 | THD | 15 | 14 | .517 | 3.76 | 36 | 36 | 0 | 4 | 4 | 0 | 0 | 248.2 | 95 | 150 | 1.307 | 11.76 | 1.05 | |
| 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 | |
| Sandy Koufax | 1961 | THD | 13 | 12 | .520 | 3.82 | 36 | 36 | 0 | 3 | 1 | 0 | 0 | 247.2 | 91 | 262 | 1.191 | 10.72 | 0.87 | |
| Jim Rooker | 1977 | MWB | 10 | 12 | .455 | 3.88 | 36 | 36 | 0 | 0 | 0 | 0 | 0 | 202 | 78 | 111 | 1.396 | 12.56 | 0.98 | |
| Warren Spahn | 1949 | SSL | 11 | 20 | .355 | 3.94 | 36 | 36 | 0 | 19 | 3 | 0 | 0 | 285.2 | 109 | 155 | 1.386 | 12.48 | 0.66 | |
| 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 | |
| Camilo Pascual | 1961 | THD | 15 | 12 | .556 | 3.98 | 36 | 36 | 0 | 2 | 0 | 0 | 0 | 249 | 114 | 197 | 1.261 | 11.35 | 1.55 | |
| 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 | |
| Ed Lopat | 1949 | BRI | 9 | 17 | .346 | 4.14 | 37 | 36 | 1 | 2 | 0 | 0 | 0 | 230.1 | 99 | 68 | 1.459 | 13.13 | 0.63 | |
| Andy Pettitte | 1997 | THD | 12 | 13 | .480 | 4.45 | 36 | 36 | 0 | 3 | 1 | 0 | 0 | 238.2 | 96 | 165 | 1.458 | 13.12 | 0.83 | |
| Jimmy Key | 1997 | CIR | 7 | 18 | .280 | 4.46 | 36 | 36 | 0 | 0 | 0 | 0 | 0 | 212 | 84 | 139 | 1.528 | 13.75 | 0.93 | |
| Mike Mussina | 1997 | MIT | 13 | 9 | .591 | 4.56 | 36 | 36 | 0 | 2 | 0 | 0 | 0 | 223 | 53 | 230 | 1.283 | 11.54 | 1.29 | |
| Alex Kellner | 1949 | SPS | 11 | 11 | .500 | 4.74 | 45 | 36 | 9 | 4 | 0 | 1 | 100 | 210.2 | 93 | 82 | 1.538 | 13.84 | 0.64 | |
| Gary Bell | 1961 | THD | 6 | 11 | .353 | 5.21 | 36 | 36 | 0 | 2 | 0 | 0 | 0 | 198.2 | 83 | 126 | 1.465 | 13.18 | 1.72 | |
| Doyle Alexander | 1977 | SSL | 11 | 16 | .407 | 5.76 | 36 | 36 | 0 | 3 | 0 | 0 | 0 | 211 | 96 | 91 | 1.682 | 15.14 | 1.49 | |
| 55 | Roger Clemens | 1997 | MNL | 16 | 12 | .571 | 2.11 | 35 | 35 | 0 | 9 | 2 | 0 | 0 | 269.1 | 83 | 283 | 1.073 | 9.66 | 0.67 |
| Clifford Carter | 1927 | MIT | 13 | 13 | .500 | 2.88 | 36 | 35 | 1 | 2 | 1 | 0 | 0 | 212.2 | 69 | 46 | 1.227 | 11.05 | 0.63 | |
| Frank Tanana | 1977 | MWB | 17 | 7 | .708 | 3.00 | 35 | 35 | 0 | 6 | 1 | 0 | 0 | 237.1 | 67 | 211 | 1.108 | 9.97 | 0.68 | |
| 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 | |
| Gaylord Perry | 1974 | BBC | 20 | 7 | .741 | 3.40 | 35 | 35 | 0 | 11 | 3 | 0 | 0 | 270.1 | 96 | 187 | 1.158 | 10.42 | 0.87 | |
| Shelby Miller | 2015 | SRR | 11 | 8 | .579 | 3.54 | 35 | 35 | 0 | 1 | 1 | 0 | 0 | 201 | 77 | 144 | 1.279 | 11.51 | 0.76 | |
| Orel Hershiser | 1987 | DPC | 16 | 10 | .615 | 3.64 | 37 | 35 | 2 | 4 | 2 | 0 | 0 | 239.2 | 69 | 191 | 1.248 | 11.23 | 0.94 | |
| 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 | |
| Jeep Jessup | 1949 | QCK | 15 | 11 | .577 | 3.80 | 44 | 35 | 9 | 10 | 3 | 0 | 0 | 258.1 | 137 | 106 | 1.397 | 12.58 | 0.94 | |
| Curt Schilling | 1997 | COL | 13 | 11 | .542 | 4.02 | 35 | 35 | 0 | 4 | 1 | 0 | 0 | 253 | 89 | 308 | 1.277 | 11.49 | 1.25 | |
| Steve Carlton | 1977 | SRR | 13 | 8 | .619 | 4.02 | 35 | 35 | 0 | 3 | 1 | 0 | 0 | 230.1 | 77 | 156 | 1.389 | 12.50 | 0.94 | |
| Andy Porter | 1949 | COL | 11 | 13 | .458 | 4.20 | 36 | 35 | 1 | 2 | 0 | 0 | 0 | 205.2 | 95 | 66 | 1.536 | 13.83 | 0.88 | |
| Teddy Higuera | 1987 | DPC | 18 | 8 | .692 | 4.27 | 35 | 35 | 0 | 4 | 2 | 0 | 0 | 232 | 95 | 210 | 1.353 | 12.18 | 0.78 | |
| Vida Blue | 1977 | SSL | 9 | 14 | .391 | 4.61 | 35 | 35 | 0 | 4 | 1 | 0 | 0 | 230.1 | 76 | 139 | 1.363 | 12.27 | 1.56 | |
| 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 | |
| 70 | 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 |
| 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 | |
| Greg Maddux | 1997 | HRH | 17 | 7 | .708 | 2.87 | 34 | 34 | 0 | 0 | 0 | 0 | 0 | 226 | 48 | 153 | 1.066 | 9.60 | 0.80 | |
| 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 | |
| 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 | |
| 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 | |
| Tom Glavine | 1997 | SRR | 14 | 8 | .636 | 3.15 | 34 | 34 | 0 | 1 | 0 | 0 | 0 | 234.1 | 80 | 146 | 1.208 | 10.87 | 0.73 | |
| 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 | |
| Kevin Appier | 1997 | SSL | 12 | 11 | .522 | 3.89 | 34 | 34 | 0 | 3 | 2 | 0 | 0 | 220 | 93 | 184 | 1.391 | 12.52 | 0.90 | |
| Steve Barber | 1961 | CIR | 16 | 12 | .571 | 3.95 | 34 | 34 | 0 | 7 | 2 | 0 | 0 | 236.2 | 159 | 163 | 1.534 | 13.80 | 0.72 | |
| Pat Scantlebury | 1949 | SRR | 17 | 8 | .680 | 3.98 | 49 | 34 | 15 | 1 | 0 | 0 | 0 | 242 | 88 | 87 | 1.479 | 13.31 | 0.93 | |
| Chris Archer | 2015 | DIN | 11 | 8 | .579 | 4.04 | 34 | 34 | 0 | 0 | 0 | 0 | 0 | 207 | 63 | 239 | 1.232 | 11.09 | 1.04 | |
| Larry Jansen | 1949 | MNL | 8 | 11 | .421 | 4.13 | 39 | 34 | 5 | 2 | 0 | 1 | 100 | 253 | 68 | 111 | 1.332 | 11.99 | 1.21 | |
| Francisco Barrios | 1977 | GTL | 11 | 12 | .478 | 4.16 | 34 | 34 | 0 | 4 | 1 | 0 | 0 | 225 | 66 | 124 | 1.338 | 12.04 | 0.76 | |
| Don Newcombe | 1949 | MNL | 15 | 14 | .517 | 4.16 | 37 | 34 | 3 | 11 | 1 | 0 | 0 | 255.1 | 96 | 155 | 1.449 | 13.04 | 0.81 | |
| Denny Neagle | 1997 | TLF | 9 | 15 | .375 | 4.36 | 34 | 34 | 0 | 1 | 1 | 0 | 0 | 223 | 45 | 163 | 1.157 | 10.41 | 1.41 | |
| Jim Colborn | 1977 | SSL | 11 | 10 | .524 | 4.39 | 34 | 34 | 0 | 2 | 0 | 0 | 0 | 196.2 | 83 | 97 | 1.490 | 13.41 | 1.05 | |
| J.r. Richard | 1977 | BBS | 11 | 18 | .379 | 4.40 | 34 | 34 | 0 | 11 | 2 | 0 | 0 | 268 | 108 | 207 | 1.287 | 11.59 | 1.21 | |
| Dave Mcnally | 1974 | BBC | 3 | 17 | .150 | 4.43 | 34 | 34 | 0 | 1 | 0 | 0 | 0 | 189 | 75 | 93 | 1.550 | 13.95 | 0.95 | |
| 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 | |
| Joe P. Coleman | 1949 | PBP | 9 | 6 | .600 | 4.46 | 45 | 34 | 11 | 0 | 0 | 0 | 0 | 195.2 | 106 | 85 | 1.625 | 14.63 | 0.74 | |
| Alex Fernandez | 1997 | TLF | 7 | 14 | .333 | 4.83 | 34 | 34 | 0 | 0 | 0 | 0 | 0 | 207 | 88 | 172 | 1.473 | 13.26 | 1.78 | |
| Jason Dickson | 1997 | GTL | 6 | 11 | .353 | 5.19 | 34 | 34 | 0 | 0 | 0 | 0 | 0 | 201.1 | 55 | 117 | 1.515 | 13.63 | 1.12 | |
| David Wells | 1997 | TLF | 10 | 16 | .385 | 5.43 | 34 | 34 | 0 | 1 | 1 | 0 | 0 | 192.1 | 52 | 126 | 1.466 | 13.20 | 1.40 | |
| Rufus Lewis | 1949 | MNL | 10 | 17 | .370 | 5.82 | 37 | 34 | 3 | 4 | 1 | 1 | 100 | 227.1 | 94 | 116 | 1.579 | 14.21 | 1.23 | |
| 95 | John Smoltz | 1997 | IMG | 19 | 6 | .760 | 2.62 | 33 | 33 | 0 | 5 | 1 | 0 | 0 | 247.1 | 55 | 249 | 1.108 | 9.97 | 0.84 |
| Clayton Kershaw | 2015 | QCK | 18 | 7 | .720 | 2.91 | 34 | 33 | 1 | 6 | 3 | 0 | 0 | 231.2 | 52 | 293 | 1.019 | 9.17 | 0.89 | |
| Howie Fox | 1949 | DIN | 15 | 9 | .625 | 3.08 | 44 | 33 | 11 | 1 | 0 | 0 | 0 | 239.2 | 81 | 82 | 1.218 | 10.97 | 0.64 | |
| Cole Hamels | 2015 | QCK | 12 | 11 | .522 | 3.12 | 33 | 33 | 0 | 4 | 3 | 0 | 0 | 210.1 | 74 | 189 | 1.174 | 10.57 | 0.94 | |
| 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 | |
| Chris Sale | 2015 | SPS | 11 | 12 | .478 | 3.36 | 33 | 33 | 0 | 0 | 0 | 0 | 0 | 198.1 | 59 | 288 | 1.210 | 10.89 | 0.95 |