2021 Seattle Mariners Affiliates
During the 2021 season, 5 affiliates of the Seattle Mariners competed in minor league baseball. The 5 teams combined for 306 wins and 233 losses.
2021 Seattle Mariners Organization Leaders
AAA - Tacoma Rainiers (78-52) - Roster | Statistics
AA - Arkansas Travelers (64-56) - Roster | Statistics
A - Modesto Nuts (64-51) - Roster | Statistics
R - Mariners (39-18) - Roster | Statistics
 Tacoma Rainiers (AAA) |
 Arkansas Travelers (AA) |
 Modesto Nuts (A) |
 Mariners (R) |
Marker indicates city location, not venue address.
