Pepiot was optioned to Triple-A Oklahoma City on Wednesday.
Pepiot picked up his first big-league win Wednesday after giving up one run with six strikeouts over five innings, but he won't stick around the major-league club. The right-hander has a 2.76 ERA, 1.35 WHIP and 19:12 K:BB across 16.1 frames in his first taste of the majors this year.