The Marlins want to cut their payroll by more than 20 percent to $90 million or less, which is why NL MVP Giancarlo Stanton is also on the trading block.
Seattle has eight-time All-Star Robinson Cano at second base and is expected to move Gordon to center field. While Gordon has never played center in the majors, the Mariners believe he can make the transition and fill perhaps the biggest remaining need among their position players.
Miami acquired right-hander Nick Neidert, the Mariners' No. 2 prospect, along with infielder Chris Torres and right-hander Robert Dugger. Seattle gets international signing bonus pool allotment, boosting the amount it can offer Japanese star pitcher and outfielder Shohei Ohtani.
AP Sports Writer Tim Booth in Seattle contributed to this report.
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