Team fielding -- 2021 Windy City Rattlers
Regular season -- as of 9/26/2021
| Primary |
| Pos | S | Name | G | GS | INN | PO | A | E | DP | TC | PCT | PB | SB | CS | SB% | PK |
| p | | Mike Leake | 43 | 34 | 262.7 | 20 | 40 | 0 | 3 | 60 | 1.000 | | 16 | 10 | .615 | 4 |
| | | Justus Sheffield | 39 | 34 | 192.7 | 11 | 23 | 3 | 1 | 37 | .919 | | 13 | 7 | .650 | 1 |
| | | Marco Gonzales | 37 | 35 | 231.0 | 13 | 17 | 2 | 1 | 32 | .938 | | 18 | 8 | .692 | 2 |
| | | Brandon Woodruff | 38 | 34 | 188.7 | 9 | 21 | 0 | 2 | 30 | 1.000 | | 10 | 4 | .714 | 0 |
| | | Adrian Houser | 37 | 25 | 153.3 | 10 | 12 | 1 | 0 | 23 | .957 | | 14 | 3 | .824 | 3 |
| | | Blake Treinen | 72 | 0 | 99.0 | 4 | 11 | 0 | 2 | 15 | 1.000 | | 9 | 4 | .692 | 1 |
| | | Evan Marshall | 69 | 0 | 89.3 | 4 | 8 | 1 | 0 | 13 | .923 | | 7 | 2 | .778 | 0 |
| | | Will M. Smith | 68 | 0 | 90.3 | 6 | 2 | 1 | 0 | 9 | .889 | | 2 | 1 | .667 | 0 |
| | | Aaron Loup | 54 | 0 | 61.7 | 5 | 2 | 0 | 1 | 7 | 1.000 | | 4 | 5 | .444 | 0 |
| | | Craig Kimbrel | 68 | 0 | 76.0 | 1 | 4 | 1 | 0 | 6 | .833 | | 11 | 2 | .846 | 0 |
| | f | Carlos Estevez | 7 | 0 | 9.3 | 0 | 1 | 1 | 0 | 2 | .500 | | 0 | 0 | .000 | 0 |
| | | Total | 532 | 162 | 1454.0 | 83 | 141 | 10 | 10 | 234 | .957 | | 104 | 46 | .693 | 11 |
| | | | | | | | | | | | | | | | | |
| c | | Christian Vazquez | 162 | 162 | 1371.3 | 1250 | 64 | 12 | 3 | 1326 | .991 | 36 | 93 | 42 | .689 | 0 |
| | | Francisco Mejia | 43 | 0 | 82.7 | 84 | 7 | 2 | 1 | 93 | .978 | 1 | 11 | 4 | .733 | 0 |
| | | Total | 205 | 162 | 1454.0 | 1334 | 71 | 14 | 4 | 1419 | .990 | 37 | 104 | 46 | .693 | 0 |
| | | | | | | | | | | | | | | | | |
| 1b | | Rhys Hoskins | 121 | 121 | 1084.3 | 1007 | 69 | 11 | 100 | 1087 | .990 | | | | | |
| | | Whit Merrifield | 41 | 41 | 367.7 | 367 | 28 | 2 | 39 | 397 | .995 | | | | | |
| | | Josh Rojas | 2 | 0 | 2.0 | 2 | 0 | 0 | 0 | 2 | 1.000 | | | | | |
| | | Total | 164 | 162 | 1454.0 | 1376 | 97 | 13 | 139 | 1486 | .991 | | | | | |
| | | | | | | | | | | | | | | | | |
| 2b | | Jose Altuve | 162 | 162 | 1427.0 | 294 | 504 | 10 | 112 | 808 | .988 | | | | | |
| | | Josh Rojas | 5 | 0 | 8.0 | 2 | 4 | 0 | 2 | 6 | 1.000 | | | | | |
| | | Starlin Castro | 2 | 0 | 10.0 | 3 | 2 | 0 | 1 | 5 | 1.000 | | | | | |
| | | Jonathan Arauz | 2 | 0 | 2.0 | 1 | 2 | 1 | 1 | 4 | .750 | | | | | |
| | | Whit Merrifield | 3 | 0 | 7.0 | 1 | 0 | 0 | 0 | 1 | 1.000 | | | | | |
| | | Total | 174 | 162 | 1454.0 | 301 | 512 | 11 | 116 | 824 | .987 | | | | | |
| | | | | | | | | | | | | | | | | |
| 3b | | Whit Merrifield | 110 | 110 | 979.0 | 48 | 207 | 16 | 23 | 271 | .941 | | | | | |
| | | Vladimir Guerrero Jr. | 52 | 52 | 461.7 | 17 | 99 | 1 | 2 | 117 | .991 | | | | | |
| | | Starlin Castro | 5 | 0 | 13.3 | 0 | 2 | 1 | 0 | 3 | .667 | | | | | |
| | | Total | 167 | 162 | 1454.0 | 65 | 308 | 18 | 25 | 391 | .954 | | | | | |
| | | | | | | | | | | | | | | | | |
| ss | | Tim Anderson | 162 | 162 | 1420.7 | 189 | 514 | 26 | 101 | 729 | .964 | | | | | |
| | | Josh Rojas | 23 | 0 | 31.0 | 7 | 16 | 2 | 4 | 25 | .920 | | | | | |
| | | Jonathan Arauz | 1 | 0 | 0.3 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Starlin Castro | 2 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 188 | 162 | 1454.0 | 196 | 530 | 28 | 105 | 754 | .963 | | | | | |
| | | | | | | | | | | | | | | | | |
| lf | | Mike Yastrzemski | 121 | 121 | 1038.0 | 269 | 7 | 3 | 0 | 279 | .989 | | | | | |
| | | A.J. Pollock | 42 | 41 | 370.7 | 74 | 2 | 1 | 0 | 77 | .987 | | | | | |
| | | Starling Marte | 9 | 0 | 19.0 | 4 | 0 | 0 | 0 | 4 | 1.000 | | | | | |
| | | Francisco Mejia | 20 | 0 | 26.3 | 3 | 1 | 0 | 0 | 4 | 1.000 | | | | | |
| | | Total | 192 | 162 | 1454.0 | 350 | 10 | 4 | 0 | 364 | .989 | | | | | |
| | | | | | | | | | | | | | | | | |
| cf | | Starling Marte | 162 | 162 | 1416.0 | 362 | 15 | 5 | 0 | 382 | .987 | | | | | |
| | | A.J. Pollock | 16 | 0 | 38.0 | 15 | 0 | 0 | 0 | 15 | 1.000 | | | | | |
| | | Total | 178 | 162 | 1454.0 | 377 | 15 | 5 | 0 | 397 | .987 | | | | | |
| | | | | | | | | | | | | | | | | |
| rf | | Aristides Aquino | 112 | 110 | 928.7 | 187 | 10 | 6 | 1 | 203 | .970 | | | | | |
| | | J.D. Martinez | 41 | 41 | 366.7 | 67 | 0 | 4 | 0 | 71 | .944 | | | | | |
| | | Whit Merrifield | 12 | 11 | 97.3 | 15 | 0 | 1 | 0 | 16 | .938 | | | | | |
| | | Mike Yastrzemski | 20 | 0 | 27.3 | 6 | 0 | 0 | 0 | 6 | 1.000 | | | | | |
| | | Josh Rojas | 11 | 0 | 21.0 | 4 | 1 | 0 | 0 | 5 | 1.000 | | | | | |
| | | Francisco Mejia | 4 | 0 | 13.0 | 1 | 0 | 0 | 0 | 1 | 1.000 | | | | | |
| | | Total | 200 | 162 | 1454.0 | 280 | 11 | 11 | 1 | 302 | .964 | | | | | |
| | | | | | | | | | | | | | | | | |
| | | Total | 162 | 162 | 1454.0 | 4362 | 1695 | 114 | 141 | 6171 | .982 | 37 | | | | |