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| | | | | | | | ARI | ATL | BAL | BOS | CHA | CHN | CIN | CLE | COL | DET | FLO | HOU | KCA | LAN | LAA | MIL | MIN | NYA | NYN | OAK | PHI | PIT | SDN | SFN | SEA | SLN | TBA | TEX | TOR | WAS | Team Index | Draft History | Starters: Positional - Pitchers | Registers: Batters - Pitchers | Leaders: Batters - Pitchers |  | Houston Astros Pitching Staff Chart |
| Year | Starting Pitchers | Closer | Bullpen | 2006 80-82 | Oswalt 15-6, 3.51 | Clemens 10-11, 2.83 | Buchholz 7-6, 4.32 | Astacio 7-10, 4.73 | Park 8-6, 5.18 | Lidge 38 SV, 2.91 | Neshek 80 G, 4.48 | Lidge 63 G, 2.91 | Benoit 62 G, 3.93 | 2007 11-18 | Lohse 3-3, 5.35 | Oswalt 3-4, 4.89 | Buchholz 1-2, 4.33 | Johnson 0-3, 6.52 | Albers 1-0, 3.86 | Lidge 5 SV, 2.19 | Mahay 15 G, 1.37 | Neshek 14 G, 3.31 | Reyes 14 G, 6.59 | | Top 5 pitchers in Games Started, Top pitcher in Saves and Top 3 pitchers in Games | |
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