Mike Warren was 5-3 with an ERA of 4.11 and 30 strikeouts in 12 appearances in his rookie season in 1983.
Games
| NAME | DATE | SEASON | TM | OPP | DEC | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | M. Warren | 9/29/1983 | 1983 |  OAK | vs |  CWS | W | 1 | 0.00 | 5 | 1 | 1 | 0 | 9.0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 29 | 0 |
| 2 | | M. Warren | 9/24/1983 | 1983 | OAK | vs |  TOR | W | 1 | 0.90 | 6 | 1 | 0 | 0 | 10.0 | 7 | 1 | 1 | 0 | 2 | 1 | 0 | 0 | 38 | 0 |
| 3 | | M. Warren | 9/18/1983 | 1983 | OAK | @ |  KCR | W | 1 | 2.00 | 6 | 1 | 0 | 0 | 9.0 | 5 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 31 | 0 |
| 4 | | M. Warren | 9/13/1983 | 1983 | OAK | vs |  TEX | W | 1 | 6.00 | 2 | 0 | 0 | 0 | 6.0 | 4 | 4 | 4 | 1 | 2 | 0 | 0 | 0 | 24 | 0 |
| 5 | | M. Warren | 9/7/1983 | 1983 | OAK | @ | CWS | 0 | 81.00 | 0 | 0 | 0 | 0 | 0.1 | 2 | 3 | 4 | 1 | 1 | 0 | 0 | 0 | 5 | 0 | |
| 6 | | M. Warren | 9/3/1983 | 1983 | OAK | vs |  CLE | 1 | 3.86 | 3 | 0 | 0 | 0 | 7.0 | 4 | 3 | 3 | 0 | 3 | 0 | 0 | 0 | 27 | 0 | |
| 7 | | M. Warren | 8/28/1983 | 1983 | OAK | vs |  MIL | L | 1 | 9.82 | 0 | 0 | 0 | 0 | 3.2 | 6 | 4 | 4 | 0 | 1 | 0 | 0 | 0 | 18 | 0 |
| 8 | | M. Warren | 8/23/1983 | 1983 | OAK | @ |  NYY | W | 1 | 4.05 | 3 | 0 | 0 | 0 | 6.2 | 4 | 3 | 3 | 0 | 2 | 0 | 0 | 0 | 26 | 0 |
| 9 | | M. Warren | 8/17/1983 | 1983 | OAK | vs |  CAL | L | 1 | 5.68 | 3 | 0 | 0 | 0 | 6.1 | 7 | 4 | 5 | 1 | 3 | 0 | 0 | 1 | 30 | 0 |
| 10 | | M. Warren | 8/12/1983 | 1983 | OAK | vs |  MIN | 1 | 3.38 | 2 | 0 | 0 | 0 | 5.1 | 5 | 2 | 3 | 0 | 1 | 0 | 0 | 0 | 21 | 1 | |
| 11 | | M. Warren | 6/14/1983 | 1983 | OAK | @ | TOR | 0 | 27.00 | 0 | 0 | 0 | 0 | 0.2 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| 12 | | M. Warren | 6/12/1983 | 1983 | OAK | vs | CWS | L | 0 | 10.80 | 0 | 0 | 0 | 0 | 1.2 | 3 | 2 | 2 | 1 | 0 | 0 | 1 | 0 | 8 | 1 |
| Total | 9 | 4.11 | 30 | 3 | 1 | 0 | 65.2 | 51 | 30 | 33 | 4 | 18 | 1 | 1 | 1 | 262 | 2 |
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