| C(1B) | Grandal, Y.Grandal, Yasmani † >> | 29 | 2018 | S | 81 | 67 | 84 | 140 | .241 | .351 | .466 | .817 | .320 | 440 | 65 | 106 | 23 | 2 | 24 | 68 | 72 | 124 | 3 | 2 | .993 | - | +0.6 | 2 | +3.5 | 9 | C |
| 1B(DH) | Goldschmidt, P.Goldschmidt, Paul >> | 30 | 2018 | R | 96 | 97 | 49 | 158 | .290 | .389 | .533 | .922 | .360 | 593 | 95 | 172 | 35 | 5 | 33 | 83 | 90 | 173 | 6 | 7 | .996 | - | -0.4 | 4 | +4.9 | 42 | C |
| 2B(IF) | Dozier, B.Dozier, Brian >> | 31 | 2018 | R | 20 | 25 | 28 | 151 | .215 | .308 | .391 | .699 | .280 | 553 | 81 | 119 | 30 | 2 | 21 | 72 | 70 | 129 | 4 | 12 | .979 | - | -0.3 | 4 | +1.8 | 17 | C |
| 2B(SS) | Villar, J.Villar, Jonathan >> | 27 | 2018 | S | 60 | 52 | 70 | 141 | .260 | .326 | .384 | .710 | .300 | 466 | 54 | 121 | 14 | 1 | 14 | 46 | 41 | 138 | 5 | 35 | .976 | - | +0.8 | 7 | +2.3 | 10 | C |
| 3B(IF) | Arenado, N.Arenado, Nolan † >> | 27 | 2018 | R | 98 | 98 | 64 | 156 | .297 | .377 | .561 | .938 | .350 | 590 | 104 | 175 | 38 | 2 | 38 | 110 | 73 | 122 | 3 | 2 | .967 | - | +0.7 | 2 | +5.2 | 29 | C |
| SS(IF) | Segura, J.Segura, Jean >> | 28 | 2018 | R | 87 | 81 | 77 | 144 | .304 | .344 | .415 | .759 | .310 | 586 | 91 | 178 | 29 | 3 | 10 | 63 | 32 | 69 | 4 | 20 | .969 | - | +1.5 | 5 | +3.7 | 11 | C |
| SS(2B) | Rodriguez, R.Rodriguez, Ronny >> | 26 | 2018 | R | 2 | 8 | 12 | 62 | .220 | .259 | .335 | .594 | .230 | 191 | 17 | 42 | 7 | 0 | 5 | 20 | 10 | 42 | 0 | 2 | .949 | - | -0.4 | 2 | -0.4 | 5 | C |
| OF(OF) | Judge, A.Judge, Aaron † >> | 26 | 2018 | R | 99 | 96 | 85 | 112 | .278 | .396 | .528 | .924 | .370 | 413 | 77 | 115 | 22 | 0 | 27 | 67 | 76 | 152 | 4 | 6 | .984 | - | +1.1 | 3 | +3.9 | 5 | C |
| OF(OF) | Nimmo, B.Nimmo, Brandon >> | 25 | 2018 | L | 87 | 89 | 27 | 140 | .263 | .404 | .483 | .887 | .370 | 433 | 77 | 114 | 28 | 8 | 17 | 47 | 80 | 140 | 22 | 9 | .996 | - | -1 | 6 | +5.1 | 9 | C |
| OF(OF) | Acuna, R.Acuna, Ronald >> | 20 | 2018 | R | 91 | 96 | 33 | 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) | McCutchen, A.McCutchen, Andrew >> | 31 | 2018 | R | 79 | 78 | 36 | 155 | .255 | .372 | .424 | .796 | .340 | 569 | 83 | 145 | 30 | 3 | 20 | 65 | 95 | 145 | 11 | 14 | .993 | - | -0.5 | 5 | +2.6 | 25 | C |