The Reds have acquired 27-year old right-hander Kyle Lohse from the Twins in exchange for minor league pitcher Zach Ward.
In 172 appearances, including 152 starts, Lohse has gone 51-57 with a 4.88 ERA. He averaged 188 innings from 2002 through 2005.
Lohse was 2-5 with a 7.07 ERA in eight starts and 14 relief appearances for the Twins this season.
The 22-year old Ward, a third-round draft choice, was 7-0 with a 2.29 ERA in 18 starts and two relief appearances at Single-A Dayton.