The New York Mets have agreed to acquire second baseman Neil Walker from the Pittsburgh Pirates in exchange for left-hander Jon Niese.

Walker, 30, hit .269/.328/.427 with 32 doubles, 16 homers and 71 RBI in 151 games. He is a career .272/.338/.431 hitter with 93 homers and 418 RBI in seven major-league seasons. The Pirates selected him 11th overall in the 2004 draft.

Source: #Mets agree to trade Niese to #Pirates for Walker, pending medical reviews.

— Ken Rosenthal (@Ken_Rosenthal) December 9, 2015

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First on agreed trade between #Mets and #Pirates: @Joelsherman1. Again, pending medical review.

— Ken Rosenthal (@Ken_Rosenthal) December 9, 2015

Niese, 29, was 9-10 with a 4.13 ERA in 33 games (29 starts) this past season. He struck out 113 batters in 176 2/3 innings. Over his eight-season major-league career -- spent entirely with the Mets -- he is 61-61 with a 3.91 ERA and a 7.0 K/9 ratio.