Relief pitcher Chris Resop and the Pirates agreed on Friday to a one-year contract, worth $850,000.
Resop made $431,500 last year, in going 5-4 with a 4.39 ERA. He also had 79 strikeouts, 30 walks and a 1.48 WHIP as the Pirates finished 72-90.
Resop and Pittsburgh surprisingly contended in the National League Central for most of the season before running out of gas late, finishing 24 games behind division-champion Milwaukee.
The Pirates finished 18th in the National League with a team 4.04 ERA.