SCOTTSDALE, Arizona — Dario Alvarez, who signed with the Cubs as a free agent last November and who had seven mediocre spring training appearances (7u2153 innings, seven hits, six walks, 11 strikeouts), is no longer a Cub:
#Mariners roster move: Claim Dario Alvarez off waivers from the Cubs. He'll be optioned to Tacoma and report to minor league camp. 38 spots on 40 man
— Ryan Divish (@RyanDivish) March 21, 2018
Just like the Mariners, the Cubs now have 38 players on the 40-man roster, leaving two open spots.