Alvarez, 24, tweeted on Wednesday that he has signed with the White Sox. An accomplished collegiate shortstop at Salt Lake Community College, Alvarez is better known for winning a 2014 Olympic silver medal in the 5,000 meter relay of short track speed skating. Alvarez already is in Glendale, Ariz., working out, according to the ballclub.
Scott Merkin is a reporter for MLB.com. Read his blog, Merk's Works, and follow him on Twitter @scottmerkin. This story was not subject to the approval of Major League Baseball or its clubs.