Analysis: Who will make the Mariners' 40-man roster and 20-man
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Justin Topa, the Mariners' new mystery man in the bullpen - Lookout Landing
How the Top 40 MLB Players were acquired - Future Stars Series
Rule 5 Draft eligible prospects on 40-man rosters
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2019 40-Man Roster Deadline Transaction Tracker — College Baseball, MLB Draft, Prospects - Baseball America
Analysis: Don't call it a surplus, but Mariners have the pitching depth every team covets
40-Man Roster Seattle Mariners
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Breaking down the Blue Jays 40-man: December 2020 - Bluebird Banter
Grading Each Member of Seattle Mariners' 40-Man Roster as Summer Begins, News, Scores, Highlights, Stats, and Rumors
MLB 40-Man Roster Protection Analysis Ahead Of Rule 5 Draft — College Baseball, MLB Draft, Prospects - Baseball America
Category: Mariners FanGraphs Baseball
Seattle Mariners Top Prospects For Dynasty Leagues - FantraxHQ
