| Pitching | G | GS | CG | IP | H | R | ER | HR | SH | SF | HP | BB | K | IB | W | L | Pct | Sv | ERA | |
| Radke,Brad | 9 | 9 | 1 | 57.1 | 73 | 29 | 29 | 7 | 3 | 0 | 1 | 8 | 31 | 0 | 3 | - | 3 | 0.500 | 0 | 4.55 |
| Ramos,Pedro | 1 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | - | 0 | 1.000 | 0 | 0.00 |
| Rapp,Pat | 2 | 0 | 0 | 3.0 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | - | 0 | 0.000 | 0 | 3.00 |
| Rau,Doug* | 7 | 7 | 2 | 53.1 | 47 | 9 | 8 | 2 | 1 | 1 | 2 | 9 | 26 | 1 | 4 | - | 1 | 0.800 | 0 | 1.35 |
| Rautzhan,Lance* | 2 | 0 | 0 | 2.2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | - | 0 | 0.000 | 0 | 0.00 |
| Raymond,Claude | 6 | 0 | 0 | 7.2 | 11 | 3 | 3 | 0 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | - | 0 | 0.000 | 0 | 3.52 |
| Reardon,Jeff | 14 | 0 | 0 | 11.2 | 15 | 3 | 3 | 1 | 1 | 1 | 0 | 1 | 11 | 1 | 1 | - | 1 | 0.500 | 10 | 2.31 |
| Reed,Rick | 9 | 9 | 0 | 51.1 | 63 | 26 | 23 | 5 | 3 | 3 | 1 | 24 | 24 | 12 | 3 | - | 4 | 0.429 | 0 | 4.03 |
| Reed,Ron | 50 | 9 | 0 | 111.0 | 120 | 64 | 56 | 12 | 10 | 4 | 5 | 48 | 64 | 6 | 5 | - | 7 | 0.417 | 9 | 4.54 |
| Reeder,Bill | 2 | 0 | 0 | 4.0 | 5 | 2 | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | - | 0 | 0.000 | 0 | 4.50 |
| Regan,Phil | 5 | 0 | 0 | 5.0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | - | 0 | 0.000 | 5 | 0.00 |
| Remlinger,Mike* | 15 | 0 | 0 | 17.1 | 17 | 3 | 3 | 2 | 0 | 0 | 0 | 6 | 16 | 0 | 1 | - | 1 | 0.500 | 0 | 1.56 |
| Reniff,Hal | 14 | 0 | 0 | 14.2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 11 | 2 | 1 | - | 0 | 1.000 | 2 | 0.00 |
| Renko,Steve | 8 | 2 | 0 | 23.2 | 32 | 18 | 15 | 7 | 0 | 0 | 0 | 6 | 13 | 0 | 0 | - | 2 | 0.000 | 0 | 5.70 |
| Reuss,Jerry* | 38 | 37 | 10 | 264.0 | 314 | 141 | 128 | 26 | 15 | 8 | 0 | 67 | 111 | 10 | 12 | - | 16 | 0.429 | 0 | 4.36 |
| Reyes,Al | 3 | 0 | 0 | 5.2 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 5 | 0 | 2 | - | 0 | 1.000 | 0 | 1.59 |
| Rhoden,Rick | 7 | 7 | 1 | 52.1 | 55 | 27 | 21 | 2 | 3 | 2 | 0 | 24 | 19 | 1 | 4 | - | 2 | 0.667 | 0 | 3.61 |
| Ribant,Dennis | 4 | 0 | 0 | 2.1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | - | 0 | 1.000 | 0 | 0.00 |
| Richert,Pete* | 24 | 3 | 0 | 41.1 | 45 | 15 | 15 | 3 | 5 | 0 | 0 | 17 | 28 | 3 | 0 | - | 2 | 0.000 | 4 | 3.27 |
| Rincon,Juan | 21 | 0 | 0 | 26.2 | 10 | 5 | 5 | 0 | 2 | 1 | 1 | 10 | 25 | 0 | 2 | - | 2 | 0.500 | 2 | 1.69 |
| Ring,Royce* | 4 | 0 | 0 | 6.0 | 8 | 7 | 7 | 1 | 0 | 1 | 0 | 5 | 3 | 0 | 0 | - | 1 | 0.000 | 0 | 10.50 |
| Rivera,Ben | 1 | 1 | 0 | 6.0 | 8 | 5 | 5 | 1 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | - | 1 | 0.000 | 0 | 7.50 |
| Rivera,Mariano | 22 | 0 | 0 | 25.2 | 24 | 9 | 7 | 1 | 5 | 0 | 2 | 7 | 20 | 1 | 3 | - | 1 | 0.750 | 12 | 2.45 |
| Roa,Joe | 13 | 0 | 0 | 15.1 | 16 | 4 | 3 | 1 | 1 | 0 | 2 | 4 | 11 | 0 | 0 | - | 1 | 0.000 | 0 | 1.76 |
| Roberts,Dave* | 6 | 1 | 0 | 15.1 | 25 | 13 | 12 | 0 | 3 | 1 | 0 | 7 | 11 | 0 | 1 | - | 2 | 0.333 | 0 | 7.04 |
| Roberts,Robin | 3 | 3 | 2 | 24.1 | 17 | 7 | 5 | 0 | 0 | 0 | 0 | 3 | 13 | 0 | 1 | - | 2 | 0.333 | 0 | 1.85 |
| Robertson,Nate* | 18 | 18 | 1 | 116.1 | 116 | 49 | 45 | 11 | 9 | 2 | 1 | 30 | 76 | 0 | 8 | - | 5 | 0.615 | 0 | 3.48 |
| Robertson,Rich | 1 | 0 | 0 | 3.0 | 4 | 5 | 5 | 1 | 1 | 0 | 0 | 5 | 2 | 0 | 0 | - | 0 | 0.000 | 0 | 15.00 |
| Robinson,Don | 6 | 6 | 1 | 38.0 | 35 | 14 | 14 | 3 | 5 | 3 | 0 | 11 | 16 | 0 | 3 | - | 1 | 0.750 | 0 | 3.32 |
| Robinson,Jeff | 6 | 6 | 0 | 43.2 | 33 | 19 | 19 | 3 | 2 | 1 | 3 | 19 | 39 | 1 | 2 | - | 2 | 0.500 | 0 | 3.92 |
| Rodney,Fernando | 33 | 0 | 0 | 36.2 | 28 | 7 | 6 | 1 | 1 | 1 | 2 | 10 | 29 | 0 | 1 | - | 1 | 0.500 | 3 | 1.47 |
| Rodriguez,Francisc | 27 | 0 | 0 | 28.2 | 15 | 7 | 3 | 0 | 0 | 0 | 1 | 16 | 29 | 3 | 3 | - | 2 | 0.600 | 7 | 0.94 |
| Rodriguez,Rich | 16 | 0 | 0 | 9.1 | 12 | 13 | 12 | 1 | 1 | 1 | 0 | 11 | 3 | 3 | 0 | - | 2 | 0.000 | 0 | 11.57 |
| Rodriguez,Wandy* | 2 | 2 | 0 | 10.0 | 18 | 15 | 13 | 1 | 0 | 0 | 0 | 6 | 3 | 0 | 1 | - | 1 | 0.500 | 0 | 11.70 |
| Roebuck,Ed | 13 | 0 | 0 | 14.1 | 15 | 12 | 12 | 3 | 1 | 1 | 1 | 9 | 4 | 3 | 2 | - | 4 | 0.333 | 2 | 7.53 |
| Rogers,Kenny* | 13 | 13 | 0 | 74.1 | 94 | 42 | 39 | 7 | 9 | 0 | 3 | 24 | 32 | 1 | 4 | - | 5 | 0.444 | 0 | 4.72 |
| Rohr,Billy* | 1 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - | 0 | 0.000 | 0 | 0.00 |
| Rojas,Mel | 15 | 0 | 0 | 22.2 | 14 | 7 | 7 | 5 | 0 | 1 | 0 | 3 | 19 | 0 | 0 | - | 1 | 0.000 | 1 | 2.78 |
| Roland,Jim* | 9 | 0 | 0 | 11.0 | 11 | 8 | 6 | 0 | 0 | 1 | 1 | 7 | 11 | 0 | 1 | - | 0 | 1.000 | 0 | 4.91 |
| Romero,J.C.* | 12 | 0 | 0 | 10.2 | 12 | 3 | 3 | 1 | 0 | 0 | 2 | 2 | 6 | 0 | 0 | - | 1 | 0.000 | 1 | 2.53 |
| Romo,Enrique | 20 | 0 | 0 | 27.2 | 21 | 12 | 12 | 3 | 4 | 2 | 0 | 15 | 22 | 0 | 0 | - | 2 | 0.000 | 1 | 3.90 |
| Romo,Vicente | 2 | 2 | 0 | 13.0 | 10 | 3 | 3 | 0 | 1 | 0 | 0 | 1 | 7 | 0 | 1 | - | 1 | 0.500 | 0 | 2.08 |
| Rooker,Jim* | 18 | 15 | 4 | 112.2 | 125 | 67 | 63 | 13 | 5 | 0 | 0 | 33 | 60 | 7 | 4 | - | 11 | 0.267 | 0 | 5.03 |
| Rowe,Ken | 1 | 0 | 0 | 1.2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | - | 0 | 0.000 | 0 | 0.00 |
| Rueter,Kirk* | 14 | 13 | 1 | 93.2 | 86 | 29 | 21 | 8 | 5 | 1 | 0 | 18 | 47 | 1 | 6 | - | 5 | 0.545 | 0 | 2.02 |
| Rupe,Ryan | 1 | 0 | 0 | 1.1 | 8 | 9 | 9 | 3 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | - | 0 | 0.000 | 0 | 60.75 |
| Rusch,Glendon* | 13 | 8 | 1 | 60.0 | 56 | 29 | 25 | 3 | 3 | 1 | 3 | 12 | 32 | 1 | 3 | - | 4 | 0.429 | 1 | 3.75 |
| Rush,Bob | 6 | 1 | 0 | 13.0 | 15 | 5 | 4 | 1 | 2 | 0 | 0 | 2 | 8 | 0 | 2 | - | 1 | 0.667 | 0 | 2.77 |
| Ruthven,Dick | 13 | 10 | 3 | 79.0 | 72 | 33 | 32 | 9 | 2 | 3 | 0 | 13 | 38 | 1 | 8 | - | 2 | 0.800 | 0 | 3.65 |
| Ryan,Nolan | 9 | 9 | 0 | 51.1 | 29 | 11 | 10 | 3 | 4 | 0 | 2 | 28 | 49 | 3 | 3 | - | 2 | 0.600 | 0 | 1.75 |