| Year | Team Name | League | Division | Affilate | W | L | Pct | Rank | Managers | Stadium | Playoffs | |
| 2002 | Medicine Hat | Blue Jays | Pio | North | TOR | 37 | 38 | .493 | 3 | Rolando Pino | Athletic Park | dnq |
| 2001 | Medicine Hat | Blue Jays | Pio | North | TOR | 20 | 56 | .263 | 4 | Tom Bradley | Athletic Park | dnq |
| 2000 | Medicine Hat | Blue Jays | Pio | North | TOR | 36 | 40 | .474 | 3 | Paul Elliott | Athletic Park | Lost in Semi-Finals |
| 1999 | Medicine Hat | Blue Jays | Pio | North | TOR | 33 | 43 | .434 | 3 | Paul Elliott | Athletic Park | dnq |
| 1998 | Medicine Hat | Blue Jays | Pio | North | TOR | 46 | 28 | .622 | 1 | Rolando Pino | Athletic Park | dnq |
| 1997 | Medicine Hat | Blue Jays | Pio | - | TOR | 26 | 46 | .361 | 8 | Marty Pevey | Athletic Park | dnq |
| 1996 | Medicine Hat | Blue Jays | Pio | North | TOR | 22 | 50 | .306 | 4 | Marty Pevey | Athletic Park | dnq |
| 1995 | Medicine Hat | Blue Jays | Pio | North | TOR | 35 | 37 | .486 | 2 | Darren Balsley | Athletic Park | Lost in Finals |
| 1994 | Medicine Hat | Blue Jays | Pio | North | TOR | 36 | 36 | .500 | 2 | Darren Balsley | Athletic Park | dnq |
| 1993 | Medicine Hat | Blue Jays | Pio | Northern | TOR | 39 | 34 | .534 | 2 | Omar Malave | Athletic Park | dnq |
| 1992 | Medicine Hat | Blue Jays | Pio | Northern | TOR | 23 | 52 | .307 | 4 | Jim Nettles | Athletic Park | dnq |
| 1991 | Medicine Hat | Blue Jays | Pio | Northern | TOR | 24 | 45 | .348 | 4 | J.J. Cannon | Athletic Park | dnq |
| 1990 | Medicine Hat | Blue Jays | Pio | North | TOR | 20 | 46 | .303 | 4 | Garth Iorg | Athletic Park | dnq |
| 1989 | Medicine Hat | Blue Jays | Pio | Northern | TOR | 23 | 46 | .333 | 4 | Rocket Wheeler | Athletic Park | dnq |
| 1988 | Medicine Hat | Blue Jays | Pio | Northern | TOR | 12 | 58 | .171 | 4 | Rocket Wheeler | Athletic Park | dnq |
| 1987 | Medicine Hat | Blue Jays | Pio | Northern | TOR | 26 | 43 | .377 | 4 | Eduardo Dennis | Athletic Park | dnq |
| 1986 | Medicine Hat | Blue Jays | Pio | - | TOR | 24 | 46 | .343 | 6 | Dennis Holmberg | Athletic Park | dnq |
| 1985 | Medicine Hat | Blue Jays | Pio | Northern | TOR | 26 | 44 | .371 | 3 | Rocket Wheeler | Athletic Park | dnq |
| 1984 | Medicine Hat | Blue Jays | Pio | Northern | TOR | 32 | 38 | .457 | 3 | Duane Larson | Athletic Park | dnq |
| 1983 | Medicine Hat | Blue Jays | Pio | Northern | TOR | 33 | 34 | .493 | 4 | Duane Larson | Athletic Park | dnq |
| 1982 | Medicine Hat | Blue Jays | Pio | Northern | TOR | 44 | 26 | .629 | 1 | Gary LaRocque | Athletic Park | League Champions |
| 1981 | Medicine Hat | Blue Jays | Pio | Northern | TOR | 37 | 33 | .529 | 3 | Wayne Graham | Athletic Park | dnq |
| 1980 | Medicine Hat | Blue Jays | Pio | Northern | TOR | 16 | 54 | .229 | 4 | John McLaren | Athletic Park | dnq |
| 1979 | Medicine Hat | Blue Jays | Pio | Northern | TOR | 27 | 42 | .391 | 4 | Dennis Holmberg | Athletic Park | dnq |
| 1978 | Medicine Hat | Blue Jays | Pio | - | TOR | 28 | 40 | .412 | 7 | John McLaren | Athletic Park | dnq |
| 1977 | Medicine Hat | A's | Pio | - | OAK | 29 | 41 | .414 | 5 | dnq | ||