The Pittsburgh Pirates have reached an agreement with Jung-Ho Kang on a four-year, $16 million contract, according to a source.

The deal also has an option for a fifth year.

The Pirates had a 30-day window to come to an agreement after winning negotiating rights on Dec. 22.

Kang, 27, hit .356 with 40 home runs and 117 RBIs in 501 plate appearances for the Nexen Heroes of the Korean Baseball Organization in 2014.