| C(1B) | Vazquez, C.Vazquez, Christian >> | 28 | 2019 | R | 48 | 40 | 86 | 138 | .276 | .322 | .477 | .799 | .290 | 482 | 66 | 133 | 26 | 1 | 23 | 72 | 33 | 101 | 0 | 4 | .998 | - | +0.6 | 2 | +2.3 | 9 | C |
| 1B(OF) | Pearce, S.Pearce, Steven >> | 31 | 2014 | R | 95 | 86 | 99 | 102 | .293 | .374 | .556 | .930 | .340 | 338 | 51 | 99 | 26 | 0 | 21 | 49 | 40 | 76 | 4 | 5 | .998 | - | +1.45 | 3 | +3.93 | 6 | C |
| 1B(OF) | Moreland, M.Moreland, Mitch # >> | 24 | 2010 | L | 56 | 52 | 41 | 47 | .255 | .368 | .469 | .837 | .330 | 145 | 20 | 37 | 4 | 0 | 9 | 25 | 25 | 36 | 1 | 3 | .991 | - | -0.15 | 3 | +0.76 | 4 | C |
| 2B(IF) | Pedroia, D.Pedroia, Dustin >> | 25 | 2008 | R | 97 | 89 | 97 | 157 | .326 | .380 | .493 | .873 | .340 | 653 | 118 | 213 | 54 | 2 | 17 | 83 | 50 | 52 | 7 | 20 | .992 | - | +1.81 | 5 | +5.5 | 34 | C |
| 3B(SS) | Devers, R.Devers, Rafael >> | 22 | 2019 | L | 70 | 85 | 14 | 156 | .311 | .362 | .555 | .917 | .330 | 647 | 129 | 201 | 54 | 4 | 32 | 115 | 48 | 119 | 4 | 8 | .949 | - | -0.1 | 4 | +5.7 | 29 | C |
| SS(OF) | Owings, C.Owings, Chris >> | 25 | 2017 | R | 15 | 23 | 15 | 97 | .268 | .303 | .442 | .745 | .270 | 362 | 41 | 97 | 25 | 1 | 12 | 51 | 17 | 87 | 1 | 12 | .954 | - | -0.09 | 5 | +1 | 5 | C |
| SS(IF) | Bogaerts, X.Bogaerts, Xander >> | 26 | 2019 | R | 82 | 92 | 4 | 155 | .309 | .387 | .555 | .942 | .350 | 614 | 110 | 190 | 52 | 0 | 33 | 117 | 76 | 122 | 2 | 4 | .975 | - | -1 | 2 | +7.1 | 25 | C |
| OF(OF) | Martinez, J.Martinez, J.D. >> | 29 | 2017 | R | 83 | 92 | 7 | 119 | .303 | .379 | .690 | 1.069 | .340 | 432 | 85 | 131 | 26 | 3 | 45 | 104 | 53 | 128 | 0 | 4 | .980 | - | -0.98 | 4 | +4.62 | 6 | C |
| OF(OF) | Hernandez, G.Hernandez, Gorkys >> | 30 | 2018 | R | 8 | 10 | 37 | 142 | .234 | .288 | .391 | .679 | .250 | 414 | 52 | 97 | 16 | 2 | 15 | 40 | 27 | 113 | 4 | 8 | .978 | - | +0.1 | 4 | +0.4 | 10 | C |
| OF(OF) | Bradley, J.Bradley, Jackie >> | 26 | 2016 | L | 65 | 50 | 96 | 156 | .267 | .352 | .486 | .838 | .320 | 558 | 94 | 149 | 30 | 7 | 26 | 87 | 63 | 143 | 10 | 9 | .992 | - | +1.56 | 5 | +4.13 | 29 | C |
| OF(2B) | Betts, M.Betts, Mookie # >> | 25 | 2018 | R | 100 | 100 | 99 | 136 | .346 | .442 | .640 | 1.082 | .410 | 520 | 129 | 180 | 47 | 5 | 32 | 80 | 81 | 91 | 8 | 30 | .996 | - | +1.8 | 7 | +8.7 | 8 | C |
| OF(OF) | Benintendi, A.Benintendi, Andrew >> | 22 | 2016 | L | 59 | 69 | 28 | 34 | .295 | .357 | .476 | .833 | .320 | 105 | 16 | 31 | 11 | 1 | 2 | 14 | 10 | 25 | 0 | 1 | .982 | - | -0.21 | 4 | +0.63 | 4 | C |