The Rays optioned pitcher Kirby Yates down to Triple-A Durham following Tuesday's contest against Toronto, per the team's official website. A corresponding move will be made the following day.
Yates pitched two scoreless innings of relief on Tuesday. He owns a 4.15 ERA, a 1.62 WHIP and 5:0 K:BB ratio over 4 1/3 innings of work this season.