How many strikeouts (pitching) did Roger Clemens have in 2004?
2182004 Regular Season
Roger Clemens recorded 218 strikeouts (pitching) in the 2004 regular season, 7th in the MLB.
- 9th-best of Roger Clemens' 24 seasons on file; the high is 292 in 1997.
- Up 28 from 190 in 2003.
- 19% of the Houston Astros' strikeouts (pitching) that regular season.
Figures come from ESPN's box scores and were last read on September 21, 2026.
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | SV: Games finished by protecting a narrow lead to the last out. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1984 |  BOS | 21 | 9 | 4 | 4.32 | 133.1 | 126 | 29 | 1.31 | 0 |
| 1985 | BOS | 15 | 7 | 5 | 3.29 | 98.1 | 74 | 37 | 1.22 | 0 |
| 1986 | BOS | 33 | 24 | 4 | 2.48 | 254.0 | 238 | 67 | 0.97 | 0 |
| 1987 | BOS | 36 | 20 | 9 | 2.97 | 281.2 | 256 | 83 | 1.18 | 0 |
| 1988 | BOS | 35 | 18 | 12 | 2.93 | 264.0 | 291 | 62 | 1.06 | 0 |
| 1989 | BOS | 35 | 17 | 11 | 3.13 | 253.1 | 230 | 93 | 1.22 | 0 |
| 1990 | BOS | 31 | 21 | 6 | 1.93 | 228.1 | 209 | 54 | 1.08 | 0 |
| 1991 | BOS | 35 | 18 | 10 | 2.62 | 271.1 | 241 | 65 | 1.05 | 0 |
| 1992 | BOS | 32 | 18 | 11 | 2.41 | 246.2 | 208 | 62 | 1.07 | 0 |
| 1993 | BOS | 29 | 11 | 14 | 4.46 | 191.2 | 160 | 67 | 1.26 | 0 |
| 1994 | BOS | 24 | 9 | 7 | 2.85 | 170.2 | 168 | 71 | 1.14 | 0 |
| 1995 | BOS | 23 | 10 | 5 | 4.18 | 140.0 | 132 | 60 | 1.44 | 0 |
| 1996 | BOS | 34 | 10 | 13 | 3.63 | 242.2 | 257 | 106 | 1.33 | 0 |
| 1997 |  TOR | 34 | 21 | 7 | 2.05 | 264.0 | 292 | 68 | 1.03 | 0 |
| 1998 | TOR | 33 | 20 | 6 | 2.65 | 234.2 | 271 | 88 | 1.10 | 0 |
| 1999 |  NYY | 30 | 14 | 10 | 4.60 | 187.2 | 163 | 90 | 1.47 | 0 |
| 2000 | NYY | 32 | 13 | 8 | 3.70 | 204.1 | 188 | 84 | 1.31 | 0 |
| 2001 | NYY | 33 | 20 | 3 | 3.51 | 220.1 | 213 | 72 | 1.26 | 0 |
| 2002 | NYY | 29 | 13 | 6 | 4.35 | 180.0 | 192 | 63 | 1.31 | 0 |
| 2003 | NYY | 33 | 17 | 9 | 3.91 | 211.2 | 190 | 58 | 1.21 | 0 |
| 2004 |  HOU | 33 | 18 | 4 | 2.98 | 214.1 | 218 | 79 | 1.16 | 0 |
| 2005 | HOU | 32 | 13 | 8 | 1.87 | 211.1 | 185 | 62 | 1.01 | 0 |
| 2006 | HOU | 19 | 7 | 6 | 2.30 | 113.1 | 102 | 29 | 1.04 | 0 |
| 2007 | NYY | 18 | 6 | 6 | 4.18 | 99.0 | 68 | 31 | 1.31 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV