| C(1B) | Alomar, S.Alomar, Sandy >> | 24 | 1990 | R | 60 | 63 | 65 | 132 | .290 | .331 | .418 | .749 | .300 | 445 | 60 | 129 | 26 | 2 | 9 | 66 | 25 | 46 | 2 | 4 | .981 | - | +0.45 | 3 | +2.78 | 7 | C |
| C(1B) | Daulton, D.Daulton, Darren >> | 28 | 1990 | L | 89 | 75 | 96 | 143 | .268 | .370 | .416 | .786 | .340 | 459 | 62 | 123 | 30 | 1 | 12 | 57 | 72 | 72 | 2 | 7 | .989 | - | +1.47 | 3 | +3.17 | 11 | C |
| 1B(DH) | Mattingly, D.Mattingly, Don >> | 29 | 1990 | L | 29 | 25 | 65 | 102 | .256 | .311 | .335 | .646 | .280 | 394 | 40 | 101 | 16 | 0 | 5 | 42 | 28 | 20 | 3 | 1 | .997 | - | -0.2 | 2 | -0.7 | 6 | C |
| 1B(DH) | Fielder, C.Fielder, Cecil # >> | 27 | 1990 | R | 86 | 90 | 28 | 159 | .277 | .380 | .592 | .972 | .350 | 573 | 104 | 159 | 25 | 1 | 51 | 132 | 90 | 182 | 5 | 0 | .989 | - | -0.95 | 2 | +6.54 | 56 | C |
| 2B(IF) | Ripken, B.Ripken, Billy >> | 26 | 1990 | R | 76 | 66 | 86 | 129 | .291 | .342 | .387 | .729 | .320 | 406 | 48 | 118 | 28 | 1 | 3 | 38 | 28 | 43 | 4 | 5 | .987 | - | +1.22 | 3 | +3.28 | 7 | C |
| 3B(2B) | Harris, L.Harris, Lenny >> | 26 | 1990 | L | 72 | 72 | 53 | 137 | .304 | .349 | .374 | .723 | .320 | 431 | 61 | 131 | 16 | 4 | 2 | 29 | 29 | 31 | 1 | 15 | .969 | - | +0.51 | 6 | +2.72 | 8 | C |
| SS(IF) | Fernandez, T.Fernandez, Tony >> | 28 | 1990 | S | 83 | 68 | 97 | 161 | .276 | .355 | .391 | .746 | .330 | 635 | 84 | 175 | 27 | 17 | 4 | 66 | 71 | 70 | 7 | 26 | .989 | - | +1.91 | 8 | +3.69 | 164 | C |
| DH(1B) | Parker, D.Parker, Dave >> | 39 | 1990 | L | 51 | 72 | 2 | 157 | .289 | .337 | .451 | .788 | .310 | 610 | 71 | 176 | 30 | 3 | 21 | 92 | 41 | 102 | 4 | 4 | .960 | - | -1.77 | 3 | +1.3 | 34 | C |
| OF(OF) | Brooks, H.Brooks, Hubie >> | 34 | 1990 | R | 33 | 46 | 21 | 153 | .266 | .313 | .424 | .737 | .290 | 568 | 74 | 151 | 28 | 1 | 20 | 91 | 33 | 108 | 6 | 2 | .964 | - | -0.29 | 2 | +1.13 | 20 | C |
| OF(OF) | Gibson, K.Gibson, Kirk >> | 33 | 1990 | L | 68 | 56 | 83 | 89 | .260 | .347 | .400 | .747 | .320 | 315 | 59 | 82 | 20 | 0 | 8 | 38 | 39 | 65 | 3 | 26 | .995 | - | +0.49 | 7 | +1.93 | 5 | C |
| OF(OF) | Martinez, D.Martinez, Dave >> | 26 | 1990 | L | 55 | 53 | 76 | 118 | .279 | .322 | .422 | .744 | .300 | 391 | 60 | 109 | 13 | 5 | 11 | 39 | 24 | 48 | 1 | 13 | .989 | - | +0.57 | 6 | +1.47 | 6 | C |