Katoh was optioned to Triple-A Buffalo after Sunday's 3-2 win over Houston, Keegan Matheson of MLB.com reports.

EDGE Analysis

Katoh received three straight starts this week but will head to Triple-A with major-league rosters shrinking from 28 to 26 players. The 27-year-old appeared in eight games during his first taste of the majors and went 1-for-7 with a double, three walks and two runs.