For most of the second half of the season, starting pitcher Riley O’Brien was one or two injuries away from a spot in the Cincinnati Reds rotation.
O’Brien, who had a 4.55 ERA in Triple-A this season with the Louisville Bats, will make his MLB with the Reds on Tuesday against the Chicago White Sox. With Luis Castillo on the family emergency list, O'Brien will start on Tuesday.
Tony Santillan:Is his future in the Reds bullpen?
This season, the 26-year-old right-hander made 22 starts and threw 112 u2154 innings. Here are three things to know about O’Brien.