| C(1B) | Iannetta, C.Iannetta, Chris # >> | 35 | 2018 | R | 61 | 57 | 38 | 110 | .224 | .348 | .385 | .733 | .330 | 299 | 36 | 67 | 13 | 1 | 11 | 36 | 50 | 87 | 7 | 0 | .994 | - | -0.4 | 2 | +0.6 | 5 | C |
| C(1B) | Herrmann, C.Herrmann, Chris >> | 30 | 2018 | L | 65 | 56 | 75 | 36 | .237 | .326 | .421 | .747 | .310 | 76 | 6 | 18 | 4 | 2 | 2 | 7 | 10 | 24 | 0 | 0 | .993 | - | +0.2 | 6 | +0.5 | 4 | C |
| 1B(3B) | McMahon, R.McMahon, Ryan + >> | 23 | 2018 | L | 48 | 42 | 67 | 91 | .232 | .308 | .376 | .684 | .290 | 181 | 17 | 42 | 9 | 1 | 5 | 19 | 18 | 64 | 2 | 1 | .996 | - | +0.1 | 3 | -0.2 | 5 | C |
| 2B(1B) | Valaika, P.Valaika, Pat # + >> | 25 | 2018 | R | 3 | 6 | 46 | 68 | .156 | .214 | .246 | .460 | .200 | 122 | 8 | 19 | 5 | 0 | 2 | 5 | 9 | 30 | 0 | 0 | .994 | - | -0.2 | 1 | -1.2 | 5 | C |
| 3B(IF) | Arenado, N.Arenado, Nolan † >> | 27 | 2018 | R | 98 | 98 | 65 | 156 | .297 | .377 | .561 | .938 | .360 | 590 | 104 | 175 | 38 | 2 | 38 | 110 | 73 | 122 | 3 | 2 | .967 | - | +0.7 | 2 | +5.2 | 29 | C |
| SS(2B) | Hampson, G.Hampson, Garrett + >> | 23 | 2018 | R | 89 | 88 | 41 | 24 | .275 | .396 | .400 | .796 | .380 | 40 | 3 | 11 | 3 | 1 | 0 | 4 | 7 | 12 | 1 | 2 | .930 | - | +0.2 | 8 | +0.2 | 4 | C |
| SS(IF) | Story, T.Story, Trevor >> | 25 | 2018 | R | 97 | 92 | 80 | 157 | .291 | .350 | .567 | .917 | .330 | 598 | 88 | 174 | 42 | 6 | 37 | 108 | 47 | 168 | 7 | 27 | .979 | - | +0.9 | 7 | +5.6 | 34 | C |
| OF(1B) | Holliday, M.Holliday, Matt >> | 38 | 2018 | R | 87 | 95 | 10 | 25 | .283 | .415 | .434 | .849 | .400 | 53 | 3 | 15 | 2 | 0 | 2 | 3 | 12 | 18 | 0 | 0 | .867 | - | -0.3 | 1 | +0.4 | 4 | C |
| OF(OF) | Fowler, D.Fowler, Dexter # >> | 32 | 2018 | S | 10 | 19 | 3 | 90 | .180 | .282 | .298 | .580 | .270 | 289 | 40 | 52 | 10 | 0 | 8 | 31 | 38 | 75 | 3 | 5 | .969 | - | -0.9 | 3 | -0.8 | 5 | C |
| OF(OF) | Dickerson, C.Dickerson, Corey # >> | 29 | 2018 | L | 94 | 86 | 98 | 135 | .300 | .333 | .474 | .807 | .320 | 504 | 65 | 151 | 35 | 7 | 13 | 55 | 21 | 80 | 4 | 8 | .996 | - | +1.1 | 5 | +2.2 | 8 | C |
| OF(3B) | Culberson, C.Culberson, Charlie >> | 29 | 2018 | R | 59 | 75 | 6 | 113 | .270 | .327 | .466 | .793 | .310 | 296 | 47 | 80 | 18 | 2 | 12 | 45 | 21 | 85 | 4 | 4 | .967 | + | -0.6 | 4 | +1.8 | 5 | C |
| OF(OF) | Blackmon, C.Blackmon, Charlie >> | 31 | 2018 | L | 85 | 93 | 17 | 156 | .291 | .359 | .502 | .861 | .340 | 626 | 119 | 182 | 31 | 7 | 29 | 70 | 59 | 134 | 8 | 12 | .997 | - | -2.7 | 5 | +3.9 | 29 | C |