Edgar Olmos was designated for assignment by the Cubs on Friday.

Olmos was designated for assignment by the Cubs on Friday.

Analysis:

Olmos was DFA'd in order to make room for left-hander C.J. Riefenhauser, who was claimed off waivers on Friday. The 25-year-old had a 4.50 ERA and 1.71 WHIP in 14 innings pitched for the Mariners in 2015.