| Year | Team Name | League | Division | Affilate | W | L | Pct | Rank | Managers | Stadium | Playoffs | |
| 2013 | Missoula | Osprey | Pio | North | ARI | 0 | 0 | -- | 0 | Rob Hammock | Ogren Park at Allegiance Field | dnq |
| 2012 | Missoula | Osprey | Pio | North | ARI | 41 | 35 | .539 | 2 | Andy Green | Ogren Park at Allegiance Field | League Champions |
| 2011 | Missoula | Osprey | Pio | North | ARI | 41 | 35 | .539 | 3 | Hector De La Cruz | Ogren Park at Allegiance Field | Lost in Semi-Finals |
| 2010 | Missoula | Osprey | Pio | North | ARI | 28 | 47 | .373 | 4 | Hector De La Cruz | Ogren Park at Allegiance Field | dnq |
| 2009 | Missoula | Osprey | Pio | North | ARI | 40 | 36 | .526 | 2 | Audo Vicente | Ogren Park at Allegiance Field | Lost in Finals |
| 2008 | Missoula | Osprey | Pio | North | ARI | 21 | 54 | .280 | 4 | Audo Vicente | Ogren Park at Allegiance Field | dnq |
| 2007 | Missoula | Osprey | Pio | North | ARI | 27 | 49 | .355 | 4 | Tom Kotchman | Ogren Park at Allegiance Field | dnq |
| 2006 | Missoula | Osprey | Pio | North | ARI | 42 | 34 | .553 | 2 | Ogren Park at Allegiance Field | League Champions | |
| 2005 | Missoula | Osprey | Pio | Northern | ARI | 34 | 42 | .447 | 3 | Jim Presley | Ogren Park at Allegiance Field | dnq |
| 2004 | Missoula | Osprey | Pio | North | ARI | 27 | 46 | .370 | 4 | Jim Presley | Ogren Park at Allegiance Field | dnq |
| 2003 | Missoula | Osprey | Pio | South | ARI | 36 | 40 | .474 | 2 | Tony Perezchica | Lindborg-Cregg Field | dnq |
| 2002 | Missoula | Osprey | Pio | North | ARI | 35 | 41 | .461 | 4 | Jack Howell | Lindborg-Cregg Field | dnq |
| 2001 | Missoula | Osprey | Pio | North | ARI | 52 | 24 | .684 | 1 | Chip Hale | Lindborg-Cregg Field | Lost in Semi-Finals (Billings) |
| 2000 | Missoula | Osprey | Pio | North | ARI | 44 | 32 | .579 | 1 | Chip Hale | Lindborg-Cregg Field | dnq |
| 1999 | Missoula | Osprey | Pio | North | ARI | 45 | 31 | .592 | 2 | Joe Almaraz | Lindborg-Cregg Field | League Champions |