Roy Halladay had a 27-16 record with an ERA of 3.44 and 286 strikeouts in 56 appearances between the 2003 and 2009 seasons.
| NAME | DATE | TM | OPP | DEC | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | R. Halladay | 3/31/2003 |  TOR | vs |  NYY | L | 1 | 4.76 | 2 | 0 | 0 | 0 | 5.2 | 7 | 3 | 8 | 2 | 4 | 1 | 0 | 0 | 28 | 0 |
| 2 | | R. Halladay | 4/10/2003 | TOR | vs |  BOS | 1 | 3.86 | 10 | 0 | 0 | 0 | 7.0 | 7 | 3 | 4 | 1 | 1 | 0 | 0 | 0 | 30 | 0 | |
| 3 | | R. Halladay | 4/15/2003 | TOR | @ | NYY | L | 1 | 6.75 | 5 | 0 | 0 | 0 | 6.2 | 10 | 5 | 5 | 1 | 2 | 1 | 0 | 1 | 31 | 0 |
| 4 | | R. Halladay | 4/20/2003 | TOR | @ | BOS | 1 | 7.11 | 6 | 0 | 0 | 0 | 6.1 | 11 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | 30 | 0 | |
| 5 | | R. Halladay | 5/22/2003 | TOR | @ | NYY | W | 1 | 2.57 | 5 | 0 | 0 | 0 | 7.0 | 9 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 30 | 1 |
| 6 | | R. Halladay | 6/1/2003 | TOR | vs | BOS | W | 1 | 9.45 | 5 | 0 | 0 | 0 | 6.2 | 10 | 7 | 7 | 0 | 2 | 0 | 0 | 0 | 32 | 0 |
| 7 | | R. Halladay | 7/8/2003 | TOR | vs | BOS | 1 | 1.00 | 6 | 0 | 0 | 0 | 9.0 | 4 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 31 | 1 | |
| 8 | | R. Halladay | 7/12/2003 | TOR | vs | NYY | W | 1 | 2.25 | 6 | 0 | 0 | 0 | 8.0 | 4 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 29 | 0 |
| 9 | | R. Halladay | 7/17/2003 | TOR | @ | BOS | W | 1 | 2.00 | 5 | 1 | 0 | 0 | 9.0 | 9 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 34 | 0 |
| 10 | | R. Halladay | 8/27/2003 | TOR | @ | BOS | L | 1 | 7.36 | 7 | 0 | 0 | 0 | 7.1 | 11 | 6 | 6 | 3 | 1 | 0 | 0 | 0 | 32 | 0 |
| 11 | | R. Halladay | 9/1/2003 | TOR | vs | NYY | W | 1 | 1.00 | 10 | 1 | 0 | 0 | 9.0 | 4 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 31 | 0 |
| 12 | | R. Halladay | 4/10/2004 |  TOR | @ | BOS | L | 1 | 3.86 | 7 | 0 | 0 | 0 | 7.0 | 7 | 3 | 3 | 2 | 2 | 0 | 0 | 0 | 29 | 0 |
| 13 | | R. Halladay | 4/20/2004 | TOR | vs | BOS | L | 1 | 4.50 | 7 | 0 | 0 | 0 | 6.0 | 9 | 3 | 3 | 0 | 1 | 0 | 0 | 1 | 28 | 0 |
| 14 | | R. Halladay | 5/16/2004 | TOR | vs | BOS | W | 1 | 1.29 | 6 | 0 | 0 | 0 | 7.0 | 6 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 28 | 0 |
| 15 | | R. Halladay | 5/21/2004 | TOR | @ | BOS | 1 | 7.50 | 3 | 0 | 0 | 0 | 6.0 | 7 | 5 | 5 | 0 | 5 | 0 | 0 | 0 | 27 | 0 | |
| 16 | | R. Halladay | 9/21/2004 | TOR | @ | NYY | L | 1 | 6.75 | 2 | 0 | 0 | 0 | 4.0 | 4 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | 16 | 0 |
| 17 | | R. Halladay | 10/2/2004 | TOR | vs | NYY | W | 1 | 1.13 | 5 | 0 | 0 | 0 | 8.0 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 27 | 0 |
| 18 | | R. Halladay | 4/9/2005 | TOR | vs | BOS | 1 | 7.50 | 2 | 0 | 0 | 0 | 6.0 | 7 | 5 | 5 | 1 | 1 | 0 | 0 | 0 | 25 | 0 | |
| 19 | | R. Halladay | 4/19/2005 | TOR | @ | BOS | W | 1 | 3.38 | 3 | 0 | 0 | 0 | 8.0 | 4 | 3 | 3 | 2 | 2 | 1 | 0 | 1 | 30 | 1 |
| 20 | | R. Halladay | 4/29/2005 | TOR | @ | NYY | W | 1 | 0.00 | 9 | 1 | 1 | 0 | 9.0 | 3 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 32 | 0 |
| 21 | | R. Halladay | 7/3/2005 | TOR | @ | BOS | W | 1 | 1.13 | 6 | 0 | 0 | 0 | 8.0 | 5 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 30 | 0 |
| 22 | | R. Halladay | 4/22/2006 | TOR | vs | BOS | W | 1 | 1.80 | 2 | 0 | 0 | 0 | 5.0 | 6 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 21 | 0 |
| 23 | | R. Halladay | 4/28/2006 | TOR | @ | NYY | W | 1 | 0.00 | 3 | 0 | 0 | 0 | 5.1 | 7 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 22 | 0 |
| 24 | | R. Halladay | 5/3/2006 | TOR | @ | BOS | 1 | 7.50 | 2 | 0 | 0 | 0 | 6.0 | 9 | 5 | 5 | 0 | 2 | 0 | 0 | 0 | 28 | 0 | |
| 25 | | R. Halladay | 5/29/2006 | TOR | vs | BOS | 1 | 3.86 | 2 | 0 | 0 | 0 | 7.0 | 7 | 3 | 3 | 2 | 0 | 1 | 0 | 0 | 28 | 0 | |
| Total | 56 | 3.44 | 286 | 13 | 4 | 0 | 400.2 | 375 | 153 | 166 | 47 | 75 | 11 | 0 | 6 | 1,612 | 6 | |||||||
Some of the information used here was obtained free of charge from Retrosheet.
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