Team Names: Kane County Cougars (1991-Present)
First Season: 1991 (in Midwest League), 2021 (in American Association)
Location: Geneva, Illinois
Stadium: Northwestern Medicine Field (Capacity: 10,923)
American Association All-Time Record: 251-248 (.503)
American Association Playoff Appearances: 4 (’22, ’23, ’24, ’25)
All-Time American Association Playoff Record: 17-9 (.654)
Miles Wolff Cup Finals Appearances: 2 (’24, ’25)
Miles Wolff Cup Championships: 2 (2024, 2025)
All-Time Record: 2,347-2,159 (.521)
Playoff Appearances: 21 (’91, ’95, ’97, ’99, ’00, ’01, ’03, ’04, ’06, ’08, ’09, ’10, ’11, ’12, ’14, ’15, ’17, ’19, ’22, ’23, ’24, ’25)
All-Time Playoff Record: 39-40 (.494)
League Finals Appearances: 7 (’97, ’01, ’04, ’06, ’14, ’24, ’25)
League Championships: 4 (2001, 2014, 2024, 2025)
All-Time Attendance: 13,685,615
Season-by-Season
Midwest League
| Year | W | L | PCT. | Place* | GB | Playoffs | Attend. |
| 1991 | 68 | 67 | .504 | 4th | 7.5 | L 1R vs. Madison (2-0) | 240,290 |
| 1992 | 61 | 76 | .445 | 6th | 14.0 | – | 323.769 |
| 1993 | 75 | 62 | .547 | 4th | 5.5 | – | 354,327 |
| 1994 | 71 | 68 | .511 | 6h | 18.0 | – | 417,744 |
| 1995 | 69 | 69 | .500 | 3rd | 18.5 | L 1R vs. West Michigan (2-1) | 477,550 |
| 1996 | 65 | 68 | .489 | 5th | 12.5 | – | 436,076 |
| 1997 | 70 | 68 | .504 | 2nd | 5.5 | W 1R vs. Wisconsin (2-0) W SF vs. Ced. Rapids (2-0) L FIN vs. Lansing (3-2) | 436,505 |
| 1998 | 69 | 71 | .493 | 4th | 4.5 | – | 481,352 |
| 1999 | 78 | 59 | .568 | 1st | – | W 1R vs. Quad Cities (2-1) L SF vs. Burlington (2-0) | 451,145 |
| 2000 | 74 | 65 | .532 | 2nd | 4.5 | L 1R vs. Wisconsin (2-1) | 470,906 |
| 2001 | 88 | 50 | .638 | 1st | – | W 1R vs. Beloit (2-0) W SF vs. Wisconsin (2-0) W FIN vs. South Bend (1-0) | 523,222 |
| 2002 | 64 | 75 | .460 | 5th | 21.5 | – | 510,390 |
| 2003 | 80 | 59 | .576 | 1st | – | L 1R vs. Clinton (2-1) | 516,133 |
| 2004 | 83 | 56 | .597 | 1st | – | W 1R vs. Peoria (2-1) W SF vs. Clinton (2-0) L FIN vs. West Mich. (3-2) | 522,042 |
| 2005 | 67 | 72 | .482 | 6th | 9.0 | – | 518,394 |
| 2006 | 79 | 69 | .568 | 1st | – | W 1R vs. Quad Cities (2-1) W SF vs. Beloit (2-0) L FIN vs. West Mich. (3-1) | 500,052 |
| 2007 | 63 | 76 | .453 | 6th | 15.5 | – | 468,869 |
| 2008 | 72 | 66 | .522 | T-3rd | 6.5 | L 1R vs. Burlington (2-0) | 472,596 |
| 2009 | 76 | 64 | .543 | 3rd | 6.0 | L 1R vs. Burlington (2-0) | 400,040 |
| 2010 | 71 | 67 | .514 | 6th | 12.0 | W 1R vs. Quad Cities (2-1) L SF vs. Clinton (2-1) | 430,831 |
| 2011 | 65 | 74 | .468 | 5th | 17.0 | W 1R vs. Burlington (2-1) L SF vs. Quad Cities (2-0) | 410,262 |
| 2012 | 68 | 72 | .486 | 5th | 10.5 | L 1R vs. Fort Wayne (2-0) | 391,102 |
| 2013 | 55 | 80 | .407 | 8th | 31.5 | – | 406,152 |
| 2014 | 91 | 49 | .650 | 1st | – | W 1R vs. Wisconsin (2-0) W SF vs. Ced. Rapids (2-0) W FIN vs. Lake Cnty. (3-0) | 415,571 |
| 2015 | 84 | 54 | .609 | 2nd | 4.0 | L 1R vs. Peoria (2-0) | 408,449 |
| 2016 | 65 | 75 | .464 | 6th | 21.0 | – | 400,931 |
| 2017 | 72 | 65 | .526 | 3rd | 6.5 | L 1R vs. Quad Cities (2-0) | 394,567 |
| 2018 | 72 | 66 | .522 | 4th | 8.0 | – | 350,208 |
| 2019 | 81 | 58 | .583 | 1st | – | L 1R vs. Clinton (2-0) | 305,305 |
*North Division (1991-94), Central Division (1995-99), West Division (2000-19)
American Association
| Year | W | L | PCT. | Place* | GB | Playoffs | Attend. |
| 2021 | 44 | 55 | .444 | 5th | 18.5 | – | 177,705 |
| 2022 | 54 | 46 | .540 | T-1st | – | L 1R vs. Cleburne (2-1) | 248,354 |
| 2023 | 49 | 51 | .490 | 3rd | 7.0 | L 1R vs. Milwaukee (2-1) | 261,836 |
| 2024 | 55 | 45 | .550 | 2nd | 5.0 | W 1R vs. Lake Ctry. (2-0) W EDF vs. Chicago (2-0) W MWC vs. Winnipeg (3-0) | 274,694 |
| 2025 | 49 | 51 | .490 | 3rd | 6.0 | W 1R vs. Milwaukee (2-1) W EDF vs. Chicago (3-2) W MWC vs. Sio. Falls (3-2) | 243,426 |
*North Division (2021), East Division (2022-Present)
Year-by-Year Pitching (Indy ball only)
| YR | W | L | PCT. | ERA | G | GS | CG | SHO | SV | INN | H | R | ER | HR | BB | K | HBP | WP | WHIP |
| 2021 | 44 | 55 | .444 | 4.83 | 99 | 99 | 6 | 7 | 16 | 865.0 | 918 | 501 | 464 | 93 | 434 | 716 | 53 | 50 | 1.56 |
| 2022 | 54 | 46 | .540 | 4.71 | 100 | 100 | 3 | 8 | 22 | 880.0 | 913 | 509 | 461 | 110 | 402 | 708 | 60 | 58 | 1.49 |
| 2023 | 49 | 51 | .490 | 4.19 | 100 | 100 | 0 | 6 | 25 | 884.2 | 873 | 466 | 412 | 76 | 379 | 680 | 69 | 54 | 1.42 |
| 2024 | 55 | 45 | .550 | 4.55 | 100 | 100 | 0 | 6 | 26 | 876.1 | 929 | 512 | 443 | 79 | 363 | 755 | 65 | 52 | 1.47 |
| 2025 | 49 | 51 | .490 | 4.32 | 100 | 100 | 4 | 6 | 25 | 864.1 | 765 | 467 | 415 | 74 | 353 | 768 | 72 | 57 | 1.29 |
Year-by-Year Hitting (Indy ball only)
| YR | G | AB | R | H | 2B | 3B | HR | RBI | SB | CS | BB | K | AVG | OBP | SLG | OPS | HBP | SH | SF |
| 2021 | 99 | 3347 | 472 | 875 | 170 | 17 | 99 | 442 | 64 | 27 | 351 | 767 | .261 | .339 | .411 | .750 | 59 | 24 | 33 |
| 2022 | 100 | 3453 | 580 | 954 | 200 | 20 | 110 | 540 | 50 | 12 | 414 | 775 | .276 | .361 | .441 | .802 | 65 | 20 | 38 |
| 2023 | 100 | 3365 | 476 | 841 | 167 | 12 | 97 | 437 | 106 | 22 | 335 | 852 | .250 | .331 | .393 | .724 | 91 | 17 | 40 |
| 2024 | 100 | 3455 | 587 | 959 | 198 | 15 | 98 | 533 | 131 | 32 | 415 | 862 | .278 | .366 | .429 | 795 | 88 | 11 | 36 |
| 2025 | 100 | 3303 | 469 | 836 | 174 | 7 | 65 | 434 | 112 | 24 | 326 | 771 | .253 | .369 | .369 | .698 | 59 | 32 | 28 |
Managers (Indy ball only)
| Name | Years | W | L | PCT. | Playoff Apps (Titles) |
| George Tsamis | 2021-Present | 251 | 248 | .503 | 4 (2) |
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