UsagePosition -- 2021 Cincinnati Reds
Regular season -- as of 9/26/2021
| Batter Status |
| S | Name | P | G | FLG |
| | Ronald Acuna | cf | 124 | 152 |
| f | Aristides Aquino | lf | 62 | 61 |
| | Ryan Braun | rf | 105 | 128 |
| f | Clint Frazier | rf | 105 | 108 |
| | Mitch Garver | c | 62 | 58 |
| | Travis Jankowski | cf | 43 | 51 |
| | Tim Locastro | cf | 89 | 95 |
| | Ketel Marte | 2b | 122 | 145 |
| | Ryan McMahon | 2b | 140 | 62 |
| | Yadier Molina | c | 117 | 146 |
| | Adalberto Mondesi | ss | 159 | 162 |
| | Travis Shaw | 3b | 135 | 90 |
| | Fernando Tatis | ss | 159 | 162 |
| f | Rowdy Tellez | 1b | 95 | 99 |
| | Gio Urshela | 3b | 116 | 140 |
| | Ildemaro Vargas | 2b | 65 | 54 |
|   | Total |   | 1698 | 1713 |
| Pitcher Status |
| S | Name | P | G | FLG | GS | FLGS |
| | Brandon Woodruff | sp | 35 | 38 | 35 | 38 |
| | Jose Berrios | sp | 32 | 36 | 32 | 36 |
| | Jordan Lyles | sp | 32 | 26 | 24 | 26 |
| f | Yusei Kikuchi | sp | 24 | 22 | 24 | 22 |
| | Zach Plesac | sp | 22 | 26 | 22 | 26 |
| | Seth Lugo | cl | 43 | 48 | 19 | 3 |
| | Stephen Strasburg | sp | 5 | 11 | 5 | 11 |
| | Nick Goody | mr | 46 | 4 | 3 | 0 |
| f | James Pazos | mr | 16 | 0 | 0 | 0 |
| | Diego Castillo | mr | 59 | 67 | 0 | 0 |
| f | Robert Stock | mr | 27 | 25 | 0 | 0 |
| f | T.J. McFarland | mr | 62 | 0 | 0 | 0 |
| f | Nick Ramirez | mr | 14 | 14 | 0 | 0 |
| | Tyler Rogers | mr | 78 | 59 | 0 | 0 |
| | Cody Stashak | mr | 30 | 41 | 0 | 0 |
| | Taylor Guilbeau | mr | 22 | 11 | 0 | 0 |
| | Jose Alvarez | mr | 22 | 8 | 0 | 0 |
| f | Brady Lail | mr | 22 | 19 | 0 | 0 |
| f | Branden Kline | mr | 8 | 7 | 0 | 0 |
| | Alex Claudio | mr | 54 | 54 | 0 | 0 |
| | Stephen Tarpley | mr | 32 | 5 | 0 | 0 |
| f | Sean Poppen | mr | 16 | 8 | 0 | 0 |
| | Steve Cishek | mr | 59 | 21 | 0 | 0 |
|   | Total |   | 164 | 162 | 164 | 162 |