| RP | Motte, J.Motte, Jason >> | 33 | 2015 | R | 33 | 8 | 1 | 3.91 | .277 | .330 | 1.23 | 9.0 | 2.1 | 6.4 | 48 | 48 | 4 | 11 | 34 | 0 | 6 | 2 | 23 | +0.22 | C |
| RP | Warren, A.Warren, Adam >> | 27 | 2015 | R | 47 | 7 | 7 | 3.29 | .275 | .320 | 1.17 | 7.8 | 2.7 | 7.1 | 131 | 114 | 10 | 39 | 104 | 0 | 1 | 7 | 56 | +2.92 | C |
| RP | Rodney, F.Rodney, Fernando >> | 38 | 2015 | R | 20 | 7 | 5 | 4.74 | .310 | .360 | 1.42 | 8.6 | 4.2 | 8.4 | 62 | 59 | 9 | 29 | 58 | 0 | 16 | 6 | 23 | -0.52 | C |
| RP | Tolleson, S.Tolleson, Shawn >> | 27 | 2015 | R | 50 | 6 | 4 | 2.99 | .269 | .320 | 1.15 | 8.3 | 2.1 | 9.5 | 72 | 66 | 9 | 17 | 76 | 0 | 35 | 0 | 23 | +1.75 | C |
| RP | Torres, C.Torres, Carlos >> | 32 | 2015 | R | 12 | 5 | 6 | 4.68 | .304 | .360 | 1.39 | 9.6 | 2.8 | 7.6 | 57 | 61 | 5 | 18 | 48 | 0 | 0 | 5 | 23 | -0.45 | C |
| RP | Caminero, A.Caminero, Arquimedes >> | 28 | 2015 | R | 45 | 5 | 1 | 3.62 | .284 | .330 | 1.24 | 7.7 | 3.5 | 8.9 | 74 | 63 | 7 | 29 | 73 | 0 | 0 | 6 | 23 | +0.5 | C |
| RP | Wilson, J.Wilson, Justin >> | 27 | 2015 | L | 67 | 5 | 0 | 3.10 | .263 | .310 | 1.13 | 7.2 | 3.0 | 9.7 | 61 | 49 | 3 | 20 | 66 | 0 | 0 | 4 | 23 | +1.58 | C |
| RP | Smith, J.Smith, Joe >> | 31 | 2015 | R | 28 | 5 | 5 | 3.58 | .288 | .340 | 1.28 | 8.9 | 2.6 | 7.9 | 65 | 64 | 4 | 19 | 57 | 0 | 5 | 1 | 23 | +0.58 | C |
| RP | Salas, F.Salas, Fernando >> | 30 | 2015 | R | 48 | 5 | 2 | 4.24 | .268 | .320 | 1.16 | 8.7 | 1.7 | 10.6 | 63 | 61 | 8 | 12 | 74 | 0 | 0 | 3 | 23 | -0.41 | C |
| RP | Axford, J.Axford, John >> | 32 | 2015 | R | 9 | 4 | 5 | 4.20 | .335 | .390 | 1.60 | 9.2 | 5.2 | 10.1 | 55 | 56 | 4 | 32 | 62 | 0 | 25 | 1 | 23 | +0.73 | C |
| RP | Broxton, J.Broxton, Jonathan >> | 31 | 2015 | R | 21 | 4 | 5 | 4.62 | .304 | .360 | 1.38 | 9.2 | 3.3 | 9.5 | 60 | 61 | 7 | 22 | 63 | 0 | 0 | 0 | 23 | -0.14 | C |
| RP | Duensing, B.Duensing, Brian >> | 32 | 2015 | L | 15 | 4 | 1 | 4.25 | .303 | .360 | 1.40 | 8.6 | 3.9 | 4.5 | 48 | 46 | 5 | 21 | 24 | 0 | 1 | 3 | 23 | +0.19 | C |
| RP | Casilla, S.Casilla, Santiago >> | 35 | 2015 | R | 41 | 4 | 2 | 2.79 | .287 | .340 | 1.28 | 7.9 | 3.6 | 9.6 | 58 | 51 | 6 | 23 | 62 | 0 | 38 | 1 | 23 | +1.2 | C |
| RP | Hudson, D.Hudson, Daniel >> | 28 | 2015 | R | 31 | 4 | 3 | 3.86 | .297 | .350 | 1.33 | 8.6 | 3.4 | 9.5 | 67 | 64 | 7 | 25 | 71 | 0 | 4 | 5 | 23 | -0.14 | C |
| RP | Jackson, E.Jackson, Edwin >> | 32 | 2015 | R | 51 | 4 | 3 | 3.07 | .271 | .320 | 1.18 | 7.2 | 3.4 | 6.5 | 55 | 44 | 4 | 21 | 40 | 0 | 1 | 5 | 24 | +0.3 | C |
| RP | Roark, T.Roark, Tanner >> | 28 | 2015 | R | 17 | 4 | 7 | 4.38 | .297 | .340 | 1.31 | 9.6 | 2.1 | 5.7 | 111 | 119 | 17 | 26 | 70 | 0 | 1 | 0 | 51 | +0.59 | C |
| RP | Maness, S.Maness, Seth >> | 26 | 2015 | R | 5 | 4 | 2 | 4.26 | .311 | .360 | 1.43 | 11.0 | 1.9 | 6.6 | 63 | 77 | 7 | 13 | 46 | 0 | 3 | 2 | 23 | -0.72 | C |
| RP | Villanueva, C.Villanueva, Carlos >> | 32 | 2015 | R | 55 | 4 | 3 | 2.95 | .269 | .320 | 1.16 | 7.4 | 3.1 | 8.1 | 61 | 50 | 6 | 21 | 55 | 0 | 2 | 1 | 34 | +0.89 | C |
| RP | McAllister, Z.McAllister, Zach >> | 27 | 2015 | R | 26 | 4 | 4 | 3.00 | .300 | .350 | 1.35 | 9.1 | 3.0 | 11.0 | 69 | 70 | 7 | 23 | 84 | 0 | 1 | 3 | 23 | +0.98 | C |
| RP | Mujica, E.Mujica, Edward >> | 31 | 2015 | R | 22 | 3 | 5 | 4.75 | .281 | .340 | 1.26 | 10.0 | 1.3 | 5.7 | 47 | 52 | 10 | 7 | 30 | 0 | 1 | 1 | 23 | -0.43 | C |
| RP | Norris, B.Norris, Bud >> | 30 | 2015 | R | 3 | 3 | 11 | 6.72 | .336 | .380 | 1.58 | 10.8 | 3.4 | 7.7 | 83 | 100 | 15 | 31 | 71 | 0 | 0 | 2 | 41 | -1.79 | C |
| RP | Reed, A.Reed, Addison >> | 26 | 2015 | R | 16 | 3 | 3 | 3.38 | .302 | .350 | 1.38 | 9.3 | 3.1 | 8.2 | 56 | 58 | 3 | 19 | 51 | 0 | 4 | 2 | 23 | +0.6 | C |
| RP | Shaw, B.Shaw, Bryan >> | 27 | 2015 | R | 40 | 3 | 3 | 2.95 | .279 | .330 | 1.22 | 8.3 | 2.7 | 7.6 | 64 | 59 | 8 | 19 | 54 | 0 | 2 | 3 | 23 | +1.17 | C |
| RP | Holland, G.Holland, Greg >> | 29 | 2015 | R | 23 | 3 | 2 | 3.83 | .314 | .370 | 1.48 | 8.0 | 5.3 | 10.0 | 44 | 39 | 2 | 26 | 49 | 0 | 32 | 7 | 23 | +0.28 | C |
| RP | Feliz, N.Feliz, Neftali >> | 27 | 2015 | R | 4 | 3 | 4 | 6.38 | .328 | .380 | 1.56 | 10.7 | 3.4 | 7.3 | 48 | 57 | 5 | 18 | 39 | 0 | 10 | 4 | 23 | -1.12 | C |
| RP | Janssen, C.Janssen, Casey >> | 34 | 2015 | R | 44 | 2 | 5 | 4.95 | .261 | .320 | 1.15 | 8.6 | 1.8 | 6.1 | 40 | 38 | 5 | 8 | 27 | 0 | 0 | 1 | 23 | -0.14 | C |
| RP | Otero, D.Otero, Dan >> | 30 | 2015 | R | 1 | 2 | 4 | 6.75 | .321 | .380 | 1.52 | 12.5 | 1.2 | 5.5 | 46 | 64 | 7 | 6 | 28 | 0 | 0 | 1 | 23 | -1.06 | C |
| RP | Betancourt, R.Betancourt, Rafael >> | 40 | 2015 | R | 11 | 2 | 4 | 6.18 | .302 | .360 | 1.41 | 9.9 | 2.8 | 9.2 | 39 | 43 | 4 | 12 | 40 | 0 | 1 | 0 | 23 | -0.63 | C |
| RP | Johnson, J.Johnson, Jim >> | 32 | 2015 | R | 6 | 2 | 6 | 4.46 | .318 | .370 | 1.47 | 10.5 | 2.7 | 6.8 | 66 | 77 | 5 | 20 | 50 | 0 | 10 | 3 | 23 | -0.08 | C |
| RP | Machi, J.Machi, Jean >> | 33 | 2015 | R | 12 | 2 | 0 | 5.12 | .306 | .360 | 1.40 | 9.2 | 3.4 | 6.5 | 58 | 59 | 8 | 22 | 42 | 0 | 4 | 3 | 23 | -0.46 | C |
| RP | Cishek, S.Cishek, Steve >> | 29 | 2015 | R | 10 | 2 | 6 | 3.58 | .319 | .370 | 1.49 | 9.0 | 4.4 | 7.9 | 55 | 55 | 4 | 27 | 48 | 0 | 4 | 1 | 23 | 0 | C |
| RP | Dunn, M.Dunn, Mike >> | 30 | 2015 | L | 34 | 2 | 5 | 4.50 | .304 | .360 | 1.39 | 7.7 | 4.8 | 10.8 | 54 | 46 | 6 | 29 | 65 | 0 | 0 | 2 | 23 | -0.3 | C |
| RP | Cotts, N.Cotts, Neal >> | 35 | 2015 | L | 35 | 1 | 0 | 3.41 | .287 | .340 | 1.27 | 8.3 | 3.1 | 8.3 | 63 | 58 | 12 | 22 | 58 | 0 | 0 | 2 | 23 | +0.57 | C |
| RP | Petit, Y.Petit, Yusmeiro >> | 31 | 2015 | R | 37 | 1 | 1 | 3.67 | .274 | .320 | 1.18 | 8.9 | 1.8 | 7.0 | 76 | 75 | 11 | 15 | 59 | 0 | 1 | 3 | 35 | +0.58 | C |
| RP | Farquhar, D.Farquhar, Danny >> | 28 | 2015 | R | 19 | 1 | 8 | 5.12 | .300 | .350 | 1.37 | 9.4 | 3.0 | 8.5 | 51 | 53 | 9 | 17 | 48 | 0 | 1 | 1 | 24 | -0.63 | C |
| RP | Hochevar, L.Hochevar, Luke >> | 32 | 2015 | R | 30 | 1 | 1 | 3.73 | .289 | .340 | 1.30 | 8.8 | 2.9 | 8.8 | 50 | 49 | 7 | 16 | 49 | 0 | 1 | 3 | 23 | +0.27 | C |
| RP | Belisle, M.Belisle, Matt >> | 35 | 2015 | R | 7 | 1 | 1 | 2.67 | .310 | .370 | 1.48 | 9.3 | 4.1 | 6.8 | 33 | 34 | 1 | 15 | 25 | 0 | 0 | 0 | 23 | +0.75 | C |
| RP | Hernandez, D.Hernandez, David >> | 30 | 2015 | R | 25 | 1 | 5 | 4.28 | .288 | .350 | 1.33 | 9.0 | 3.0 | 9.0 | 33 | 33 | 6 | 11 | 33 | 0 | 0 | 1 | 23 | -0.14 | C |
| RP | Cahill, T.Cahill, Trevor >> | 27 | 2015 | R | 14 | 1 | 3 | 5.40 | .302 | .360 | 1.40 | 9.2 | 3.3 | 7.5 | 43 | 44 | 4 | 16 | 36 | 0 | 0 | 2 | 32 | -0.28 | C |
| RP | Capuano, C.Capuano, Chris >> | 37 | 2015 | L | 2 | 0 | 4 | 7.97 | .363 | .420 | 1.85 | 11.7 | 5.0 | 8.6 | 40 | 52 | 6 | 22 | 38 | 0 | 0 | 0 | 35 | -1.1 | C |
| RP | Breslow, C.Breslow, Craig >> | 35 | 2015 | L | 8 | 0 | 4 | 4.15 | .310 | .360 | 1.42 | 9.6 | 3.2 | 6.4 | 65 | 69 | 12 | 23 | 46 | 0 | 1 | 2 | 29 | +0.46 | C |