| | | | | | | | | | 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 |  | Texas Rangers Pitching Staff Chart |
| | Year | Starting Pitchers | Closer | Bullpen | | 2010 79-83 | Lowe
13-12, 5.76 | Marquis
10-19, 5.34 | Peavy
13-14, 3.91 | VandenHurk
11-11, 4.20 | Davis
4-5, 4.62 | Betancourt
36 SV, 2.21 | Arias
69 G, 1.95 | Cameron
66 G, 3.18 | Affeldt
63 G, 3.24 | | 2011 93-69 | Peavy
20-11, 3.84 | Marquis
16-15, 2.95 | VandenHurk
8-5, 3.05 | Ríos
6-6, 4.52 | Davis
3-8, 4.78 | Betancourt
37 SV, 2.30 | DiFelice
62 G, 3.57 | Betancourt
61 G, 2.30 | Arias
57 G, 2.35 | | 2012 74-88 | Peavy
12-12, 4.04 | VandenHurk
11-11, 5.71 | Maine
7-15, 4.36 | Marquis
9-13, 4.80 | Davis
5-9, 5.19 | Betancourt
32 SV, 2.18 | Arias
66 G, 2.23 | Belisle
62 G, 3.71 | Berg
59 G, 5.29 | | 2013 69-93 | Peavy
14-10, 3.16 | Marquis
12-15, 3.57 | VandenHurk
7-10, 4.60 | Maine
10-11, 4.83 | Greene
5-13, 6.23 | Betancourt
29 SV, 3.36 | Arias
64 G, 3.51 | Narveson
61 G, 7.48 | Carlson
55 G, 3.28 | | 2014 42-34 | Grady
7-8, 4.82 | Peavy
5-7, 4.75 | Maine
6-4, 2.59 | Greene
2-5, 5.79 | Ríos
5-4, 5.59 | Betancourt
19 SV, 1.38 | Wade
34 G, 4.59 | Arias
28 G, 1.39 | Betancourt
28 G, 1.38 | | | Top 5 pitchers in Games Started, Top pitcher in Saves and Top 3 pitchers in Games | |
