| C(1B) | Varitek, J.Varitek, Jason >> | 35 | 2007 | S | 62 | 43 | 89 | 131 | .255 | .370 | .421 | .791 | .320 | 435 | 57 | 111 | 15 | 3 | 17 | 68 | 71 | 122 | 8 | 1 | .994 | - | +0.7 | 3 | +2.41 | 7 | C |
| C(1B) | Saltalamacchia, J.Saltalamacchia, Jarrod >> | 28 | 2013 | S | 45 | 41 | 75 | 121 | .273 | .340 | .466 | .806 | .290 | 425 | 68 | 116 | 40 | 0 | 14 | 65 | 43 | 139 | 0 | 4 | .994 | - | +0.25 | 2 | +3.39 | 6 | C |
| 1B(3B) | Youkilis, K.Youkilis, Kevin >> | 28 | 2007 | R | 90 | 78 | 88 | 145 | .288 | .394 | .453 | .847 | .340 | 528 | 85 | 152 | 35 | 2 | 16 | 83 | 77 | 105 | 15 | 4 | .997 | - | +0.38 | 3 | +3.55 | 12 | C |
| 1B(DH) | Napoli, M.Napoli, Mike >> | 32 | 2013 | R | 63 | 49 | 81 | 139 | .259 | .360 | .482 | .842 | .310 | 498 | 79 | 129 | 38 | 2 | 23 | 92 | 73 | 187 | 6 | 1 | .994 | - | +0.31 | 2 | +2.81 | 9 | C |
| 2B(IF) | Pedroia, D.Pedroia, Dustin >> | 30 | 2013 | R | 84 | 66 | 98 | 160 | .301 | .375 | .415 | .790 | .330 | 641 | 91 | 193 | 42 | 2 | 9 | 84 | 73 | 75 | 3 | 17 | .993 | - | +2.2 | 5 | +4.53 | 83 | C |
| 3B(IF) | Lowell, M.Lowell, Mike >> | 33 | 2007 | R | 89 | 90 | 52 | 154 | .324 | .383 | .501 | .884 | .330 | 589 | 79 | 191 | 37 | 2 | 21 | 120 | 53 | 71 | 3 | 3 | .961 | - | +0.8 | 2 | +4.49 | 22 | C |
| SS(IF) | Bogaerts, X.Bogaerts, Xander >> | 25 | 2018 | R | 60 | 75 | 13 | 136 | .288 | .364 | .522 | .886 | .320 | 513 | 72 | 148 | 45 | 3 | 23 | 103 | 55 | 102 | 6 | 8 | .980 | - | -1 | 4 | +5.6 | 8 | C |
| OF(OF) | Ellsbury, J.Ellsbury, Jacoby # >> | 30 | 2013 | L | 72 | 56 | 96 | 134 | .298 | .356 | .426 | .782 | .310 | 577 | 92 | 172 | 31 | 8 | 9 | 53 | 47 | 92 | 5 | 52 | .992 | - | +1.85 | 8 | +4.12 | 8 | C |
| OF(DH) | Ramirez, M.Ramirez, Manny >> | 35 | 2007 | R | 79 | 84 | 13 | 133 | .296 | .394 | .493 | .887 | .350 | 483 | 84 | 143 | 33 | 1 | 20 | 88 | 71 | 92 | 7 | 0 | .990 | - | -1.92 | 2 | +2.46 | 8 | C |
| OF(OF) | Benintendi, A.Benintendi, Andrew >> | 24 | 2018 | L | 65 | 68 | 28 | 148 | .290 | .370 | .465 | .835 | .320 | 579 | 103 | 168 | 41 | 6 | 16 | 87 | 71 | 106 | 2 | 21 | .984 | - | -0.6 | 6 | +4 | 14 | C |
| OF(OF) | Martinez, J.Martinez, J.D. >> | 30 | 2018 | R | 94 | 98 | 33 | 150 | .330 | .407 | .629 | 1.036 | .360 | 569 | 111 | 188 | 37 | 2 | 43 | 130 | 69 | 146 | 4 | 6 | 1.000 | - | -1.4 | 3 | +6.8 | 16 | C |
| OF(2B) | Betts, M.Betts, Mookie >> | 25 | 2018 | R | 100 | 100 | 100 | 136 | .346 | .442 | .640 | 1.082 | .390 | 520 | 129 | 180 | 47 | 5 | 32 | 80 | 81 | 91 | 8 | 30 | .996 | - | +1.8 | 7 | +8.7 | 8 | C |