The 40-year-old right-hander, who played for seven MLB teams,
had not pitched in the majors since 2012, although he signed a
minor league contract in January with the Kansas City Royals.
Mota was 39-45 with a 3.94 ERA in 743 relief appearances during
a major league career that started with the Montreal Expos in
The native of the Dominican Republic also played for the Los
Angeles Dodgers, Florida Marlins, Cleveland Indians, New York
Mets, Milwaukee Brewers and San Francisco Giants, with whom he
won World Series titles in 2010 and 2012.
"I've always admired Guillermo as a person and a player. I'd
like to thank him," Royals general manager Dayton Moore said in
"However, in talking with him, he indicated that he wanted to
spend more time with his family."
Mota served a 50-game suspension in 2006 for violating MLB's
drug policy, and a 100-game ban in 2012 as a second-time
The second suspension followed a positive test for clenbuterol,
while specifics of the 2006 suspension were never announced.
(Reporting by Andrew Both in Cary, North Carolina; Editing by
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