Julio Mateo
Batting
Baseball Reference Page
| Team | Year | Adj IP | W | L | BB | SO | ERA | RPG | Runs | Tot | R/IP | TE |
| SEA | 2002 | 20.7 | 0 | 0 | 12 | 15 | 4.29 | | 9.3 | 9.3 | 0.447 | 0.449 |
| SEA | 2003 | 81.8 | 4 | 0 | 13 | 71 | 3.15 | | 40.8 | 40.4 | 0.499 | 0.495 |
| SEA | 2004 | 56.0 | 1 | 2 | 16 | 43 | 4.68 | | 23.8 | 23.2 | 0.426 | 0.414 |
| SEA | 2005 | 84.8 | 3 | 6 | 17 | 52 | 3.06 | | 41.2 | 41.5 | 0.486 | 0.489 |
| SEA | 2006 | 54.5 | 9 | 4 | 22 | 31 | 4.19 | | 26.8 | 26.6 | 0.492 | 0.489 |
| SEA | 2007 | 11.6 | 1 | 0 | 5 | 4 | 3.75 | | 6.8 | 6.8 | 0.586 | 0.588 |