Mariners get All-Star RHP Castillo for prospects Marte and Arroyo
MLB trade deadline buyers and sellers: Juan Soto the headliner
Mariners get All-Star RHP Castillo for prospects Marte and Arroyo
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Edwin Arroyo is the #4 prospect in the Cincinnati Reds system
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Analysis: Grading Seattle Mariners' Trade For RHP Luis Castillo
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Trade deadline upgrades for the Mariners: Starting Pitching
Mariners, RHP Luis Castillo agree to 5-year contract - The Columbian
Reds acquire 4 prospects from Mariners for Luis Castillo
How did the Reds do in the Luis Castillo trade with the Mariners?
Seattle Mariners trade for Luis Castillo
Mariners July Review. TEAM NOTES…the Mariners finished July…
