| C(1B) | Casali, C.Casali, Curt >> | 29 | 2018 | R | 91 | 87 | 68 | 52 | .293 | .357 | .450 | .807 | .330 | 140 | 15 | 41 | 10 | 0 | 4 | 16 | 12 | 32 | 2 | 0 | .987 | - | +0.3 | 1 | +0.8 | 4 | C |
| C(1B) | Barnhart, T.Barnhart, Tucker >> | 27 | 2018 | S | 63 | 47 | 96 | 138 | .248 | .329 | .372 | .701 | .300 | 460 | 50 | 114 | 21 | 3 | 10 | 46 | 54 | 96 | 2 | 0 | .997 | - | +0.9 | 2 | +0.8 | 9 | C |
| 2B(IF) | Castro, S.Castro, Starlin >> | 28 | 2018 | R | 70 | 67 | 59 | 154 | .278 | .332 | .400 | .732 | .300 | 593 | 76 | 165 | 32 | 2 | 12 | 54 | 48 | 124 | 0 | 6 | .981 | - | +0.3 | 3 | +3.4 | 22 | C |
| 3B(2B) | Ramirez, J.Ramirez, Jose † >> | 25 | 2018 | S | 96 | 93 | 62 | 157 | .270 | .390 | .552 | .942 | .360 | 578 | 110 | 156 | 38 | 4 | 39 | 105 | 106 | 80 | 8 | 34 | .962 | - | +0.8 | 7 | +7.4 | 34 | 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(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 |
| OF(OF) | Polanco, G.Polanco, Gregory >> | 26 | 2018 | L | 66 | 76 | 16 | 130 | .254 | .345 | .499 | .844 | .310 | 461 | 75 | 117 | 32 | 6 | 23 | 81 | 61 | 117 | 3 | 12 | .992 | - | -1.1 | 6 | +2.5 | 7 | C |
| OF(OF) | Castellanos, N.Castellanos, Nick >> | 26 | 2018 | R | 81 | 91 | 11 | 157 | .298 | .356 | .500 | .856 | .330 | 620 | 88 | 185 | 46 | 5 | 23 | 89 | 49 | 151 | 6 | 2 | .990 | - | -2.4 | 3 | +4.7 | 34 | C |
| OF(OF) | Bader, H.Bader, Harrison >> | 24 | 2018 | R | 80 | 66 | 95 | 138 | .264 | .337 | .422 | .759 | .310 | 379 | 61 | 100 | 20 | 2 | 12 | 37 | 31 | 125 | 11 | 15 | .989 | - | +2 | 6 | +1.8 | 9 | C |