| C(1B) | Realmuto, J.Realmuto, J.T. >> | 27 | 2018 | R | 85 | 83 | 66 | 125 | .277 | .343 | .484 | .827 | .310 | 477 | 74 | 132 | 30 | 3 | 21 | 74 | 38 | 104 | 10 | 3 | .993 | - | +0.1 | 3 | +4.9 | 6 | C |
| C(1B) | Butera, D.Butera, Drew >> | 34 | 2018 | R | 7 | 4 | 61 | 61 | .190 | .267 | .301 | .568 | .240 | 163 | 13 | 31 | 9 | 0 | 3 | 21 | 15 | 39 | 2 | 0 | .995 | - | -0.2 | 1 | 0 | 5 | C |
| 1B(OF) | Bellinger, C.Bellinger, Cody >> | 22 | 2018 | L | 83 | 76 | 76 | 162 | .260 | .345 | .470 | .815 | .320 | 557 | 84 | 145 | 28 | 7 | 25 | 76 | 69 | 151 | 3 | 14 | .995 | - | +0.2 | 6 | +3.4 | 200 | C |
| 3B(IF) | Devers, R.Devers, Rafael >> | 21 | 2018 | L | 18 | 37 | 2 | 121 | .240 | .299 | .433 | .732 | .270 | 450 | 59 | 108 | 24 | 0 | 21 | 66 | 38 | 121 | 0 | 5 | .926 | - | -0.9 | 2 | +1.2 | 6 | C |
| 3B(IF) | Beltre, A.Beltre, Adrian >> | 39 | 2018 | R | 75 | 71 | 65 | 119 | .273 | .334 | .434 | .768 | .300 | 433 | 49 | 118 | 23 | 1 | 15 | 65 | 34 | 96 | 6 | 1 | .952 | - | +0.9 | 2 | +1.1 | 6 | C |
| SS(3B) | Machado, M.Machado, Manny >> | 25 | 2018 | R | 94 | 97 | 42 | 162 | .297 | .369 | .538 | .907 | .340 | 632 | 84 | 188 | 35 | 3 | 37 | 107 | 70 | 104 | 2 | 14 | .979 | - | 0 | 4 | +6.7 | 200 | C |
| OF(1B) | Harper, B.Harper, Bryce >> | 25 | 2018 | L | 79 | 85 | 9 | 159 | .249 | .398 | .496 | .894 | .370 | 550 | 103 | 137 | 34 | 0 | 34 | 100 | 130 | 169 | 6 | 13 | .990 | - | -3.2 | 4 | +4.2 | 56 | C |
| OF(OF) | Pollock, A.Pollock, A.J. >> | 30 | 2018 | R | 72 | 61 | 93 | 113 | .257 | .321 | .484 | .805 | .290 | 413 | 61 | 106 | 21 | 5 | 21 | 65 | 31 | 100 | 8 | 13 | .996 | - | +0.8 | 6 | +1.9 | 5 | C |
| OF(OF) | Yelich, C.Yelich, Christian >> | 26 | 2018 | L | 97 | 100 | 33 | 147 | .326 | .404 | .598 | 1.002 | .370 | 574 | 118 | 187 | 34 | 7 | 36 | 110 | 68 | 135 | 7 | 22 | .989 | - | -0.4 | 7 | +7.3 | 13 | C |
| OF(OF) | Acuna, R.Acuna, Ronald >> | 20 | 2018 | R | 91 | 96 | 32 | 111 | .293 | .368 | .552 | .920 | .340 | 433 | 78 | 127 | 26 | 4 | 26 | 64 | 45 | 123 | 6 | 16 | .974 | - | -0.1 | 6 | +3.8 | 5 | C |