(min. 100 PA)
| SLG, Player (Years) |
| .670, Tanner Olson (2018-22) |
| .618, John Aase (2014-17) |
| .605, Jay Anderson (1981-82) |
| .597, Ryan McCarthy (2010-12) |
| .578, Mike Pehl (2000-02) |
| .545, Justin Scanlon (2008-11) |
| .544, Jake Comnick (2002-04) |
| .521, Mark Kieren (1984-86) |
| .500, Todd Johnson (1983-84) |