| 1B(C) | Sanguillen, M.Sanguillen, Manny >> | 34 | 1978 | R | 29 | 31 | 48 | 85 | .264 | .299 | .336 | .635 | .280 | 220 | 15 | 58 | 5 | 1 | 3 | 16 | 9 | 10 | 2 | 2 | 1.000 | - | -0.53 | 3 | 8 | 5 | C |
| 1B(DH) | Stargell, W.Stargell, Willie >> | 38 | 1978 | L | 86 | 92 | 21 | 122 | .295 | .385 | .567 | .952 | .370 | 390 | 60 | 115 | 18 | 2 | 28 | 97 | 50 | 93 | 7 | 3 | .994 | - | -1.32 | 3 | 16 | 6 | C |
| 2B(3B) | Stennett, R.Stennett, Rennie >> | 27 | 1978 | R | 14 | 16 | 49 | 106 | .243 | .276 | .309 | .585 | .260 | 333 | 30 | 81 | 9 | 2 | 3 | 35 | 13 | 22 | 2 | 2 | .967 | - | +0.25 | 3 | 8 | 6 | C |
| 2B(IF) | Gonzalez, F.Gonzalez, Fernando >> | 28 | 1978 | R | 18 | 18 | 54 | 110 | .246 | .286 | .308 | .594 | .270 | 341 | 29 | 84 | 11 | 2 | 2 | 29 | 19 | 35 | 0 | 4 | .979 | - | +0.15 | 4 | 7 | 5 | C |
| 3B(2B) | Garner, P.Garner, Phil >> | 29 | 1978 | R | 59 | 59 | 48 | 154 | .261 | .349 | .400 | .749 | .330 | 528 | 66 | 138 | 25 | 9 | 10 | 66 | 66 | 71 | 5 | 27 | .959 | - | +0.32 | 8 | 9 | 22 | C |
| SS(IF) | Taveras, F.Taveras, Frank >> | 29 | 1978 | R | 35 | 44 | 27 | 157 | .278 | .314 | .353 | .667 | .290 | 654 | 81 | 182 | 31 | 9 | 0 | 38 | 29 | 60 | 5 | 46 | .946 | - | -0.02 | 8 | 7 | 34 | C |
| OF(3B) | Robinson, B.Robinson, Bill >> | 35 | 1978 | R | 23 | 33 | 17 | 136 | .246 | .302 | .411 | .713 | .280 | 499 | 70 | 123 | 36 | 2 | 14 | 80 | 35 | 105 | 5 | 14 | .976 | + | -0.48 | 5 | 10 | 8 | C |
| OF(1B) | Gaston, C.Gaston, Cito >> | 34 | 1978 | R | 2 | 9 | 14 | 62 | .233 | .252 | .267 | .519 | .230 | 120 | 6 | 28 | 1 | 0 | 1 | 9 | 3 | 20 | 0 | 0 | .958 | - | -0.35 | 1 | 8 | 5 | C |
| OF(OF) | Moreno, O.Moreno, Omar >> | 26 | 1978 | L | 43 | 34 | 61 | 155 | .235 | .342 | .303 | .645 | .320 | 515 | 95 | 121 | 15 | 7 | 2 | 33 | 81 | 104 | 3 | 71 | .984 | - | +0.2 | 9 | 7 | 25 | C |
| OF(1B) | Milner, J.Milner, John >> | 29 | 1978 | L | 62 | 60 | 54 | 108 | .271 | .347 | .390 | .737 | .330 | 295 | 39 | 80 | 17 | 0 | 6 | 38 | 34 | 25 | 0 | 5 | .990 | - | -0.1 | 3 | 10 | 6 | C |
| OF(OF) | Parker, D.Parker, Dave >> | 27 | 1978 | L | 88 | 97 | 7 | 148 | .334 | .395 | .585 | .980 | .380 | 581 | 102 | 194 | 32 | 12 | 30 | 117 | 57 | 92 | 2 | 20 | .960 | - | -0.67 | 7 | 13 | 14 | C |