Krehbiel was optioned to Triple-A Durham following Saturday's loss to the Tigers, Marc Topkin of the Tampa Bay Times reports.

Krehbiel had his contract selected Saturday and made his big-league debut versus Detroit, and he delivered a scoreless frame with two strikeouts and a walk. The 28-year-old will return to Durham, where he has a 4.19 ERA, 1.09 WHIP and 52:9 K:BB over 43 innings this season.