| | | | | | | | | | 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 |  | Oakland Athletics Pitching Staff Chart |
| | Year | Starting Pitchers | Closer | Bullpen | | 2010 112-50 | Halladay
25-9, 3.25 | Webb
21-7, 3.79 | Harden
11-10, 5.39 | Matsuzaka
15-4, 5.11 | Porcello
11-5, 3.82 | Papelbon
40 SV, 0.97 | Wilson
61 G, 2.97 | Papelbon
59 G, 0.97 | Fulchino
58 G, 2.35 | | 2011 100-62 | Halladay
20-9, 3.40 | Webb
18-7, 3.02 | Harden
14-10, 3.88 | Porcello
16-11, 4.22 | Costello
7-3, 3.81 | Papelbon
37 SV, 2.31 | Papelbon
64 G, 2.31 | Wilson
58 G, 2.09 | Grilli
50 G, 3.41 | | 2012 111-51 | Wainwright
20-10, 3.40 | Webb
20-5, 2.92 | Costello
18-6, 3.28 | Halladay
12-7, 3.28 | Porcello
13-5, 4.57 | Papelbon
32 SV, 1.65 | Wilson
71 G, 3.03 | Francisco
66 G, 3.96 | Papelbon
53 G, 1.65 | | 2013 106-56 | Halladay
16-6, 3.40 | Wainwright
15-8, 3.51 | Costello
10-10, 4.15 | Webb
12-9, 3.51 | Williamson
10-7, 5.11 | Papelbon
39 SV, 2.88 | Papelbon
66 G, 2.88 | MacFadden
63 G, 3.17 | Francisco
57 G, 3.82 | | 2014 49-28 | Halladay
4-6, 4.30 | Wainwright
7-6, 3.53 | Costello
8-3, 4.93 | Webb
5-4, 5.64 | Williamson
4-1, 5.23 | Broxton
14 SV, 6.17 | Rodriguez
33 G, 4.46 | Broxton
31 G, 6.17 | Thornton
31 G, 4.70 | | | Top 5 pitchers in Games Started, Top pitcher in Saves and Top 3 pitchers in Games | |
