INF Jimmy Paredes was designated for assignment to clear space on the 40-man roster for RHP Jason Frasor. Frasor was acquired from the Texas Rangers on Wednesday.
RHP Louis Coleman was optioned to Triple-A Omaha. Coleman is 1-0 with a 7.48 ERA in 20 games with the Royals this season.
RHP Jason Frasor was traded from the Texas Rangers to the Kansas City Royals in exchange for minor-league RHP Spencer Patton. Frasor, 36, had a 3.34 ERA in 38 games with the Rangers, including 30 strikeouts in 29 1/3 innings.