Mariners acquire Castillo, top pitcher on market (source)
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The Mariners made a bold move just days before the Trade Deadline, trading for Reds right-hander Luis Castillo, generally viewed as the top available pitcher ahead of Tuesday’s deadline, a source told MLB.com’s Mark Feinsand. Neither team has confirmed the trade.
Shortstops Noelvi Marte and Edwin Arroyo, the Mariners’ Nos. 1 and 3 prospects, per MLB Pipeline, are part of the return package, along with right-hander Levi Stoudt, the No. 5 Mariners’ prospect, and unranked pitcher Andrew Moore.
Castillo is 4-4 with a 2.86 ERA and was named to the National League All-Star team earlier this month.