The following players made their major league debuts wearing a Minnesota Twins uniform on May 20.
Caleb Thielbar (P) – May 20, 2013 – Signed as a Free Agent with the Minnesota Twins on August 18, 2011
Dave Stevens (P) – May 20, 1994 – Traded by the Chicago Cubs with Matt Walbeck to the Minnesota Twins for Willie Banks on November 24, 1993.