1990 Seattle Mariners Affiliates
During the 1990 season, 6 affiliates of the Seattle Mariners competed in minor league baseball. The 6 teams combined for 325 wins and 369 losses.
1990 Seattle Mariners Organization Leaders
AAA - Calgary Cannons (66-77) - Roster | Statistics
AA - Williamsport Bills (61-79) - Roster | Statistics
A - San Bernardino Spirit (77-65) - Roster | Statistics
A - Peninsula Pilots (57-83) - Roster | Statistics
A - Bellingham Mariners (32-44) - Roster | Statistics
R - Mariners (32-21) - Roster | Statistics
 Calgary Cannons (AAA) |
 Williamsport Bills (AA) |
 San Bernardino Spirit (A) |
 Peninsula Pilots (A) |
 Bellingham Mariners (A) |
Marker indicates city location, not venue address.
