| Season |
Year |
Earned Runs Allowed |
| Bud Tessier |
2003 |
64 |
| Ryan Vanderscheuren |
2002 |
53 |
| Jake Vanderscheuren |
2001 |
50 |
| Dan Carlson |
2005 |
43 |
| Mike Robertson |
1988 |
33 |
| Steve Makitalo |
1984 |
30 |
| Jon Kent |
2007 |
30 |
| Ryan Vanderscheuren |
2004 |
29 |
| Charlie Habermann |
2008 |
29 |
| Kyle Cotrell |
2008 |
29 |
|
| Career |
Earned Runs Allowed |
| Dan Carlson (2003-06) |
117 |
| Ryan Vanderscheuren (2001-04) |
93 |
| Bud Tessier (2002-03) |
77 |
| Robby Hansen (2001-02) |
56 |
| Alex Oachs (2008-11) |
55 |
| Brian Mrozik (1988-90) |
54 |
| Dale Nikko (1975-78) |
53 |
| Ben Nelson (2010- |
51 |
| Charlie Habermann (2007-09) |
51 |
| Bill Richardson (1978-81) |
50 |
| Jake Vanderscheuren (2001) |
50 |
|
