In executing the move, which is retroactive to April 15, the Rays voided Yates' option while making the reliever the 13th player to go on the DL in April, tops in the Major Leagues.
In the past 20 years, only one team has put as many players on the DL in April: Texas with 13 in 2104. The Rays currently have 11 players on the DL.
Bill Chastain is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.