The team is composed mainly of players who are in their first year of professional baseball either as draftees or non-drafted free agents.
The team first competed in the Arizona League (AZL) in 1988, as a cooperative between the Seattle Mariners and the Boston Red Sox known as the Arizona League Red Sox/Mariners.
[2] In 1989, the team became an affiliate solely of the Mariners, and was renamed as such.
Mariners team statistics, and top hitter and pitcher statistics, by season Pitchers Catchers Infielders Outfielders
Transactions → More rosters: MiLB • Arizona Complex League → Seattle Mariners minor league players