Colby Lewis is expected to miss the rest of the season.
He will undergo surgery to repair a torn flexor tendon in his right elbow later this week, which will be performed by Rangers physician Keith Mesiter.
Lewis started Wednesday at Oakland, going five innings, allowing one run on three hits with two walks and three strikeouts. For the season, Lewis was 6-6 with a 3.43 ERA in 16 starts.
Manager Ron Washington said this before the game, and before it was known that Lewis would be out for the season.
"It means a lot because he was the anchor," said Washington of Lewis' initial diagnosis of right forearm tendinitis. "You always knew what you were getting when you put Colby out there and it usually was pretty good. But you can't concern yourself with what you don't have. You only have to concern yourself with what's available. We've got to take what we've got, make them believe and continue to move forward."
-- Drew Davison