John Halama
Batting
Baseball Reference Page
| Team | Year | Adj IP | W | L | BB | SO | ERA | RPG | Runs | Tot | R/IP | TE |
| HOU | 1998 | 33.6 | 1 | 1 | 13 | 21 | 5.85 | -0.109 | 19.7 | 19.3 | 0.586 | 0.518 |
| SEA | 1999 | 177.9 | 11 | 10 | 56 | 105 | 4.22 | 0.400 | 101.2 | 101.7 | 0.569 | 0.567 |
| SEA | 2000 | 172.8 | 14 | 9 | 56 | 87 | 5.08 | -0.209 | 90.0 | 89.9 | 0.521 | 0.518 |
| SEA | 2001 | 111.2 | 10 | 7 | 26 | 50 | 4.73 | -0.249 | 47.0 | 46.9 | 0.423 | 0.419 |
| SEA | 2002 | 103.4 | 6 | 5 | 33 | 70 | 3.56 | | 58.0 | 57.7 | 0.561 | 0.558 |
| OAK | 2003 | 108.7 | 3 | 5 | 36 | 51 | 4.22 | | 44.5 | 44.5 | 0.409 | 0.409 |
| TBA | 2004 | 119.6 | 7 | 6 | 27 | 59 | 4.70 | -0.266 | 56.8 | 56.4 | 0.475 | 0.467 |
| WAS | 2005 | 21.7 | 0 | 3 | 8 | 11 | 4.64 | 0.134 | 11.2 | 11.4 | 0.517 | 0.495 |
| BOS | 2005 | 45.2 | 1 | 1 | 9 | 26 | 6.18 | | 23.9 | 23.8 | 0.529 | 0.525 |
| BAL | 2006 | 29.5 | 3 | 1 | 13 | 12 | 6.14 | | 11.6 | 11.4 | 0.394 | 0.387 |