The three-time defending AL champions sent right-hander Walker Lockett and infielder Sam Haggerty to New York in exchange for Plawecki, who played in 78 games - 64 starts - for the Mets last season. Plawecki batted .201 with seven homers and a career-high 30 RBIs.
Plawecki spent six weeks last season on the disabled list with a broken left hand. He threw out 23 percent (16 for 70) of potential base stealers and had two four-RBI games.
The 27-year-old played at Purdue and was the Big Ten Player of the Year in 2012 before the Mets drafted him with the No. 35 overall pick.
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