The Cubs announced two roster moves Friday involving southpaw relievers.
The Cubs claimed left-handed pitcher C.J. Riefenhauser off waivers from the Baltimore Orioles. To make room for Riefenhauser on the 40-man roster, left-handed pitcher Edgar Olmos has been designated for assignment.
C.J. Riefenhauser, 26, has spent parts of the last two seasons at the big league level with the Tampa Bay Rays, going 1-0 with a 6.30 ERA (14 earned runs in 20 innings) and a 1.