Brower was 0-1 with a 2.88 ERA and two saves in 17 relief appearances for Triple-A Louisville.
The Reds also sold the minor league contract of right-hander Tom Shearn to Samsung of the Korean Professional League.
The 30-year-old Shearn finally made it to the major leagues last season, going 3-0 in six starts and one relief appearance late in the year. He was 6-2 with a 4.53 ERA in 10 starts for Louisville this year.
