Royals promote Joba Chamberlain from Triple-A
Chamberlain, who is 25-21 with seven saves in 359 big league appearances with the New York Yankees and Detroit Tigers, was 1-0 with a 6.43 ERA with the Storm Chasers, but allowed one earned run and seven hits in seven innings over his final seven appearances.
Chamberlain is a former Nebraska teammate of Royals All-Star outfielder Alex Gordon.
Coleman, the Royals' 2009 fifth-round pick out of LSU, went 8-2 with nine saves and a 1.68 ERA with Omaha. He is 5-4 with a 3.25 ERA and two saves in 148 relief appearances with Kansas City.