Team games started -- 2021 Boston Red Sox
Regular season -- as of 9/28/2021
| vs LHP |
 | Name | C | 1B | 2B | 3B | SS | LF | CF | RF | DH | Tot |
| | Hanser Alberto | 0 | 0 | 45 | 0 | 0 | 0 | 0 | 0 | 0 | 45 |
| | Orlando Arcia | 0 | 0 | 0 | 0 | 50 | 0 | 0 | 0 | 0 | 50 |
| f | Nolan Arenado | 0 | 0 | 0 | 51 | 0 | 0 | 0 | 0 | 0 | 51 |
| | Josh Bell | 0 | 34 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 47 |
| | Shin-Soo Choo | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 30 | 35 |
| | Yonathan Daza | 0 | 0 | 0 | 0 | 0 | 10 | 18 | 23 | 0 | 51 |
| | Ronald Guzman | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 10 |
| | Dawel Lugo | 0 | 0 | 8 | 4 | 5 | 0 | 0 | 0 | 0 | 17 |
| | Manuel Margot | 0 | 0 | 0 | 0 | 0 | 23 | 4 | 15 | 0 | 42 |
| | Reese McGuire | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| | Austin Nola | 52 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 52 |
| | Anderson Tejeda | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| | Rowdy Tellez | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 34 |
| | Alex Verdugo | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 4 | 2 | 14 |
| | Mike Yastrzemski | 0 | 0 | 0 | 0 | 0 | 9 | 33 | 0 | 0 | 42 |
|   | Total | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 |   |
| vs RHP |
 | Name | C | 1B | 2B | 3B | SS | LF | CF | RF | DH | Tot |
| | Hanser Alberto | 0 | 0 | 87 | 0 | 0 | 0 | 0 | 0 | 0 | 87 |
| | Orlando Arcia | 0 | 0 | 0 | 0 | 94 | 0 | 0 | 0 | 0 | 94 |
| f | Nolan Arenado | 0 | 0 | 0 | 100 | 0 | 0 | 0 | 0 | 0 | 100 |
| | Josh Bell | 0 | 38 | 0 | 0 | 0 | 0 | 0 | 49 | 0 | 87 |
| | Shin-Soo Choo | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 67 | 93 |
| | Yonathan Daza | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
| | Ronald Guzman | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 |
| | Dawel Lugo | 0 | 0 | 14 | 6 | 13 | 0 | 0 | 0 | 0 | 33 |
| | Manuel Margot | 0 | 0 | 0 | 0 | 0 | 14 | 16 | 52 | 0 | 82 |
| | Reese McGuire | 67 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 67 |
| | Austin Nola | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 40 |
| | Anderson Tejeda | 0 | 0 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 7 |
| | Rowdy Tellez | 0 | 48 | 0 | 0 | 0 | 0 | 0 | 0 | 38 | 86 |
| | Alex Verdugo | 0 | 0 | 0 | 0 | 0 | 28 | 52 | 6 | 0 | 86 |
| | Mike Yastrzemski | 0 | 0 | 0 | 0 | 0 | 39 | 39 | 0 | 0 | 78 |
|   | Total | 107 | 107 | 107 | 107 | 107 | 107 | 107 | 107 | 107 |   |
| Totals |
 | Name | C | 1B | 2B | 3B | SS | LF | CF | RF | DH | Tot |
| | Hanser Alberto | 0 | 0 | 132 | 0 | 0 | 0 | 0 | 0 | 0 | 132 |
| | Orlando Arcia | 0 | 0 | 0 | 0 | 144 | 0 | 0 | 0 | 0 | 144 |
| f | Nolan Arenado | 0 | 0 | 0 | 151 | 0 | 0 | 0 | 0 | 0 | 151 |
| | Josh Bell | 0 | 72 | 0 | 0 | 0 | 0 | 0 | 62 | 0 | 134 |
| | Shin-Soo Choo | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 97 | 128 |
| | Yonathan Daza | 0 | 0 | 0 | 0 | 0 | 10 | 18 | 23 | 2 | 53 |
| | Ronald Guzman | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 31 |
| | Dawel Lugo | 0 | 0 | 22 | 10 | 18 | 0 | 0 | 0 | 0 | 50 |
| | Manuel Margot | 0 | 0 | 0 | 0 | 0 | 37 | 20 | 67 | 0 | 124 |
| | Reese McGuire | 70 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 70 |
| | Austin Nola | 92 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 92 |
| | Anderson Tejeda | 0 | 0 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 9 |
| | Rowdy Tellez | 0 | 69 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 120 |
| | Alex Verdugo | 0 | 0 | 0 | 0 | 0 | 36 | 52 | 10 | 2 | 100 |
| | Mike Yastrzemski | 0 | 0 | 0 | 0 | 0 | 48 | 72 | 0 | 0 | 120 |
|   | Total | 162 | 162 | 162 | 162 | 162 | 162 | 162 | 162 | 162 |   |