Head to head · Career pitching
Roy Halladay vs Dan Haren
In 2013 Dan Haren has been worth 2.5 more wins. Both lines are computed from play-by-play on the same constants, so they are measured the same way rather than quoted from two sources.
- Two of the 25 most valuable pitching careers on this site, 2005–2026, by dbWAR.
Career
Totalled over the seasons published here, which is not the same as a whole career: a player who debuted before 2005 begins at 2005, not at his real first game.
| Statistic | Roy Halladay | Dan Haren |
|---|---|---|
| G | 251 | 363 |
| GS | 250 | 361 |
| IP | 1,774.2 | 2,301.0 |
| W | 136 | 147 |
| L | 66 | 121 |
| SV | 0 | 1 |
| SO | 1,415 | 1,938 |
| BB | 311 | 461 |
| ERA | 3.11 | 3.70 |
| WHIP | 1.11 | 1.17 |
| K/9 | 7.2 | 7.6 |
| BB/9 | 1.6 | 1.8 |
| HR/9 | 0.8 | 1.1 |
| WAR | 40.9 | 36.8 |
2013 season
| Statistic | Roy Halladay | Dan Haren |
|---|---|---|
| G | 13 | 31 |
| GS | 13 | 30 |
| IP | 62.0 | 169.2 |
| W | 4 | 10 |
| SO | 51 | 151 |
| ERA | 6.82 | 4.67 |
| FIP | 6.14 | 4.09 |
| WHIP | 1.47 | 1.24 |
| K/9 | 7.4 | 8.0 |
| BB/9 | 5.2 | 1.6 |
| FIP− | 159 | 106 |
| WAR | -1.0 | 1.5 |
Postseason
Box-score figures only: October is kept out of the season constants, so there is no wOBA, FIP or dbWAR for it.
| Statistic | Roy Halladay | Dan Haren |
|---|---|---|
| G | 5 | 2 |
| GS | 5 | 2 |
| IP | 38.0 | 11.0 |
| W | 3 | 1 |
| SV | 0 | 0 |
| SO | 35 | 9 |
| BB | 5 | 3 |
| ERA | 2.37 | 4.09 |
| WHIP | 0.74 | 1.73 |
| K/9 | 8.3 | 7.4 |
| BB/9 | 1.2 | 2.5 |
More head to heads
The same seasons, measured against somebody else.
FIP uses the constant solved from this season’s own runs, and FIP− is park-adjusted against the same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page. To put these two beside a third, the comparison page takes up to four.

