| Season |
Year |
On Base Average (min 100 PA Season, 250 LT) |
| Dennis Bryar |
2019 |
.797 |
| Eric Abrahamson |
2021 |
.771 |
| Jared Polfuss |
2021 |
.763 |
| Eric Ostberg |
2023 |
.757 |
| Eric Ostberg |
2024 |
.751 |
| Eric Abrahamson |
2025 |
.746 |
| Mike Gomez |
2020 |
.745 |
| Rick Wayda |
2004 |
.744 |
| Eric Abrahamson |
2010 |
.743 |
| Spencer Deacon |
2024 |
.743 |
| Eric Ostberg |
2001 |
.742 |
| Eric Abrahamson |
2018 |
.739 |
| Dennis Bryar |
2024 |
.739 |
| Ryan Kappel |
2024 |
.737 |
| Eric Ostberg |
2005 |
.735 |
| Steve Pawlak |
2023 |
.735 |
| Rick Wayda |
2022 |
.734 |
| Eric Ostberg |
2019 |
.733 |
| Paulie Calderone |
2018 |
.725 |
| Eric Abrahamson |
2024 |
.725 |
| Rory Goldstein |
2025 |
.724 |
| Mike Gomez |
2019 |
.721 |
| Eric Ostberg |
2007 |
.719 |
|
| Career |
On Base Average (min 100 PA Season, 250 LT) |
| Dennis Bryar |
.699 |
| Eric Abrahamson |
.690 |
| Rick Wayda |
.681 |
| Spencer Deacon |
.681 |
| Tom Garcia |
.680 |
| Eric Ostberg |
.675 |
| Jared Polfuss |
.673 |
| Steve Hagstrom |
.659 |
| Ron Santo |
.654 |
| Ted Hermann |
.647 |
| Bruce Miller |
.646 |
| Chuck Feinstein |
.643 |
| Paulie Calderone |
.642 |
| Mike Gomez |
.640 |
| Billy Costello |
.634 |
| Todd Feingold |
.632 |
| Dan Ostberg |
.627 |
| Kevin Krahn |
.627 |
| Ryan Kappel |
.627 |
|
