| C(1B) | Posey, B.Posey, Buster >> | 31 | 2018 | R | 94 | 79 | 99 | 105 | .284 | .361 | .382 | .743 | .330 | 398 | 47 | 113 | 22 | 1 | 5 | 41 | 45 | 53 | 3 | 3 | .998 | - | +1.5 | 2 | +1.9 | 6 | C |
| C(1B) | Ramos, W.Ramos, Wilson † >> | 30 | 2018 | R | 98 | 94 | 81 | 111 | .306 | .360 | .487 | .847 | .330 | 382 | 39 | 117 | 22 | 1 | 15 | 70 | 32 | 80 | 0 | 0 | .994 | - | +0.4 | 2 | +3 | 5 | C |
| 2B(OF) | Kendrick, H.Kendrick, Howie >> | 35 | 2018 | R | 67 | 83 | 9 | 40 | .303 | .333 | .474 | .807 | .300 | 152 | 17 | 46 | 14 | 0 | 4 | 12 | 5 | 29 | 2 | 1 | .961 | - | -0.5 | 2 | +0.3 | 4 | C |
| 2B(3B) | Fletcher, D.Fletcher, David >> | 24 | 2018 | R | 62 | 51 | 93 | 80 | .275 | .318 | .363 | .681 | .290 | 284 | 35 | 78 | 18 | 2 | 1 | 25 | 15 | 34 | 3 | 3 | .992 | - | +1.1 | 4 | +1.1 | 5 | C |
| 3B(SS) | Bregman, A.Bregman, Alex >> | 24 | 2018 | R | 93 | 97 | 27 | 157 | .286 | .396 | .532 | .928 | .370 | 594 | 105 | 170 | 51 | 1 | 31 | 103 | 96 | 85 | 12 | 10 | .963 | - | -0.1 | 3 | +7.5 | 34 | C |
| SS(IF) | Semien, M.Semien, Marcus # >> | 27 | 2018 | R | 58 | 49 | 80 | 159 | .255 | .321 | .388 | .709 | .290 | 632 | 89 | 161 | 35 | 2 | 15 | 70 | 61 | 131 | 1 | 14 | .970 | - | +2 | 4 | +3.2 | 56 | C |
| OF(OF) | Cespedes, Y.Cespedes, Yoenis >> | 32 | 2018 | R | 73 | 70 | 66 | 38 | .262 | .329 | .496 | .825 | .300 | 141 | 20 | 37 | 6 | 0 | 9 | 29 | 13 | 50 | 1 | 3 | 1.000 | - | -0.2 | 3 | +1 | 4 | C |
| OF(OF) | Almora, A.Almora, Albert >> | 24 | 2018 | R | 72 | 61 | 90 | 152 | .286 | .327 | .378 | .705 | .300 | 444 | 62 | 127 | 24 | 1 | 5 | 41 | 24 | 83 | 3 | 1 | .989 | - | +1.1 | 2 | +0.9 | 18 | C |
| OF(OF) | Santana, D.Santana, Domingo >> | 25 | 2018 | R | 69 | 61 | 71 | 85 | .265 | .332 | .412 | .744 | .300 | 211 | 21 | 56 | 14 | 1 | 5 | 20 | 20 | 77 | 1 | 1 | .988 | - | +0.4 | 3 | +0.5 | 5 | C |