Pirates acquire LHP Josh Walker from Mets

(Photo credit: Vincent Carchietta-USA TODAY Sports)

The Pittsburgh Pirates acquired left-hander Josh Walker from the New York Mets on Tuesday in exchange for minor league southpaw Nicolas Carreno.

Walker, 29, was designated for assignment last week after posting a 5.11 ERA with no decisions in 10 relief appearances for the Mets. The Pirates said he will report to Triple-A Indianapolis.

The former 37th-round draft pick i