Joliet Slammers
Franchise History
(2011-2026)
Most wins in a season: 56 in 2011
Most losses in a season: 58 in 2012, 2024
Joliet Slammers All-Time Batting and Pitching Leaders
The Joliet Slammers, an independent, minor league baseball team, has played in the City of Champions Cup and Frontier League between 2011 and 2026.
 (2011-) |
| Year | Team | League | W | L | Attend | Avg. | ||
|---|---|---|---|---|---|---|---|---|
| 2011 | Joliet Slammers | Frontier League | 56 | 40 | Roster | Stats | 108,610 | 2,311 |
| 2012 | Joliet Slammers | Frontier League | 37 | 58 | Roster | Stats | 104,019 | 2,213 |
| 2013 | Joliet Slammers | Frontier League | 38 | 57 | Roster | Stats | 93,875 | 1,997 |
| 2014 | Joliet Slammers | Frontier League | 40 | 56 | Roster | Stats | 92,992 | 1,823 |
| 2015 | Joliet Slammers | Frontier League | 42 | 54 | Roster | Stats | 95,673 | 2,036 |
| 2016 | Joliet Slammers | Frontier League | 50 | 46 | Roster | Stats | 90,458 | 2,010 |
| 2017 | Joliet Slammers | Frontier League | 42 | 54 | Roster | Stats | 100,160 | 2,226 |
| 2018 | Joliet Slammers | Frontier League | 54 | 42 | Roster | Stats | 88,198 | 1,877 |
| 2019 | Joliet Slammers | Frontier League | 39 | 56 | Roster | Stats | 121,730 | 2,536 |
| 2020 | Joliet Slammers | City of Champions Cup | 20 | 5 | Roster | Stats | ||
| 2021 | Joliet Slammers | Frontier | 35 | 54 | Roster | Stats | 86,067 | 1,831 |
| 2022 | Joliet Slammers | Frontier League | 49 | 46 | Roster | Stats | 137,988 | 2,706 |
| 2023 | Joliet Slammers | Frontier League | 46 | 50 | Roster | Stats | 114,901 | 2,253 |
| 2024 | Joliet Slammers | Frontier League | 38 | 58 | Roster | Stats | 104,428 | 2,270 |
| 2025 | Joliet Slammers | Frontier League | 44 | 52 | Roster | Stats | 86,779 | 1,846 |
| 2026 | Joliet Slammers | Frontier League | 0 | 0 | Roster | Stats |
Average attendance is based upon the number of actual home dates where known (most leagues from 1992 and later). Where the number of home dates is not known, the average is calculated using half the team's total games.
