Brandon Moss homered in his second consecutive game in Tuesday's loss to the Rangers.
Scott Kazmir was punted around for six runs -- four earned -- on nine hits over 4 1/3 innings Tuesday in the A's 6-3 loss to the Rangers.
Drew Pomeranz will make a spot start on Saturday versus the Phillies.
Jason Hammel will miss his scheduled start on Saturday in order to attend the birth of his child.
Stephen Vogt (ankle) took batting practice Tuesday.
Geovany Soto (back) said Tuesday that he's "good to go."
Stephen Vogt (ankle) is unlikely to be ready to return for Tuesday's series opener against the Rangers.
Jon Lester threw six scoreless innings in the Athletics' 4-0 shutout of the Mariners Sunday.
Brandon Moss hit his 24th home run of the season in Sunday's win over the Mariners.
Sam Fuld went 2-for-3 with a home run, two RBI and two runs scored in Sunday's win over the Mariners.
Athletics manager Bob Melvin said Sunday that Derek Norris is playing through a slight hip issue.
Sean Doolittle threw a scoreless 10th inning for a save against the Mariners in his return from the disabled list Saturday.
Sonny Gray pitched eight innings of two-run ball Saturday against the Mariners.
Eric Sogard went 3-for-4 with an RBI and a stolen base Saturday against the Mariners.
Craig Gentry (concussion) rode a stationary bike without issue on Saturday afternoon.