A key part of two pennant-winning seasons and a World Series championship for the Kansas City Royals is retiring. Former Royals third baseman Mike Moustakas will retire as a Royal. Sign up for our Newsletters The team says he will sign a one-day contract with the Royals and will be honored on May 31.

Mike Moustakas made his retirement official on Monday, and one other thing: He’s going to retire a Royal. Much like the Royals did in 2023 for Lorenzo Cain’s retirement, the team will sign Moustakas to a ceremonial one-day contract on May 31,

Former Kansas City Royals first baseman Mike Moustakas will sign a one-day contract with his former team and retire from baseball as a Royal. The Royals announced that they will have a pregame retirement ceremony for Moustakas when they host the Detroit Tigers on May 31.

Former Kansas City Royals third baseman Mike Moustakas is going to sign a one-day contract with the Royals on May 31 to retire from Major League Baseball with the team he won the World Series in 2015.