Prospects1500 brings you the Top 50 prospects for each system in baseball. This is our Seattle Mariners Top 50 prospects for ...
Pos Fant is based on fantasy eligibility. More valuable batting orders (1st-6th) in blue while less valuable batting orders (7th-9th) in red. Roto values ($ and $ per game) are based on 12 team 5×5.
We're more than half through the offseason. MLB Trade Rumors re-ranks the top candidates to change hands on the trade market.