The Pirates have traded right-hander Collin Balester to the Reds for a player to be named, the Pittsburgh Post-Gazette has reported.
The 29-year-old Balester has pitched in 73 major league games, but has spent most of his career in the minors. He has performed well in 2015 with 26 hits allowed in 35 innings and a strong 2.31 ERA in 21 appearances at Double-A and Triple-A.