"I didn't want to push it too hard today," Anderson said, "but it was fine. I should be all set for Wednesday."
The 22-year-old Anderson hyperextended his right knee when he stepped in the mound hole created by Rangers hurler Tommy Hunter and fell in the second inning of Friday's 7-3 loss to Texas. He's slated to throw his normal bullpen on Monday and if all goes well, he'll be cleared for his start against the Yankees.
"A bullpen is always the best test," A's manager Bob Geren said.
Anderson owns a 0-2 mark with a 5.68 ERA in three career starts against the Yankees, but in those outings he's also averaged 7.1 strikeouts per nine innings.
"The Yankees are another elite team," Geren said. "It's a good test for us. It seems we've been playing all No. 1-type teams and our pitchers have done a nice job against elite offensive teams."