1978 Seattle Mariners Affiliates
During the 1978 season, 3 affiliates of the Seattle Mariners competed in minor league baseball. The 3 teams combined for 157 wins and 194 losses.
1978 Seattle Mariners Organization Leaders
AAA - San Jose Missions (53-87) - Roster | Statistics
A - Stockton Mariners (63-77) - Roster | Statistics
A - Bellingham Mariners (41-30) - Roster | Statistics
 San Jose Missions (AAA) |
 Stockton Mariners (A) |
 Bellingham Mariners (A) |
Marker indicates city location, not venue address.
