Kikuchi (1-7) allowed three runs on six hits, a walk and a hit batsman while striking out seven over five innings to take the loss Sunday versus the Mariners.
Siri went 1-for-1 with a two-run home run in Sunday's 7-3 loss to the Mariners.
Trout is not in the starting lineup for Sunday's game against the Mariners, Rhett Bollinger of MLB.com reports.
White went 2-for-3 with an RBI in Saturday's 13-2 loss to Houston.
Johnson will serve as the Athletics' opening pitcher for Sunday's game against the Astros, Martin Gallegos of MLB.com reports.
Meckler went 4-for-5 with a double, a triple and two runs scored in Friday's 7-5 win over the Mariners.
Moore went 1-for-4 with a three-run home run in Friday's 7-5 win over the Mariners.
Detmers (7-8) allowed two hits and two walks while striking out seven over six scoreless innings to earn the win over the Mariners on Friday.
Neto went 3-for-5 with a solo home run, a pair of doubles, two total RBI and a stolen base in Friday's 7-5 win over the Mariners.
Williams (upper body) is not in the starting lineup for Friday's game against the Astros.
