| Year | Team Name | League | Division | Affilate | W | L | Pct | Rank | Managers | Stadium | Playoffs | |
| 2011 | Casper | Ghosts | Pio | South | COL | 27 | 49 | .355 | 4 | Tony Diaz | Mike Lansing Field | dnq |
| 2010 | Casper | Ghosts | Pio | South | COL | 37 | 39 | .487 | 3 | Tony Diaz | Mike Lansing Field | dnq |
| 2009 | Casper | Ghosts | Pio | South | COL | 28 | 46 | .378 | 4 | Tony Diaz | Mike Lansing Field | dnq |
| 2008 | Casper | Ghosts | Pio | South | COL | 36 | 37 | .493 | 3 | Tony Diaz | Mike Lansing Field | dnq |
| 2007 | Casper | Ghosts | Pio | South | COL | 22 | 53 | .293 | 4 | Chris Cron | Mike Lansing Field | dnq |
| 2006 | Casper | Rockies | Pio | South | COL | 27 | 49 | .355 | 4 | P.J. Carey | Mike Lansing Field | dnq |
| 2005 | Casper | Rockies | Pio | Southern | COL | 38 | 38 | .500 | 3 | P.J. Carey | Mike Lansing Field | dnq |
| 2004 | Casper | Rockies | Pio | South | COL | 33 | 40 | .452 | 4 | P.J. Carey | Mike Lansing Field | dnq |
| 2003 | Casper | Rockies | Pio | South | COL | 28 | 48 | .368 | 3 | P.J. Carey | Mike Lansing Field | dnq |
| 2002 | Casper | Rockies | Pio | South | COL | 35 | 41 | .461 | 3 | Darren Cox | Mike Lansing Field | dnq |
| 2001 | Casper | Rockies | Pio | South | COL | 37 | 39 | .487 | 2 | P.J. Carey | Georte Tani Field | Lost in Semi-Finals (Provo) |