Choo to have more surgery; Choice out for the year

OAKLAND -- The Rangers announced that outfielder Shin-Soo Choo will undergo surgery Wednesday on his left ankle to have torn cartilage removed. Choo will need six to eight weeks of recovery time.

Choo originally injured the ankle landing on first base wrong in a game against the Athletics on April 21. The original diagnosis was a sprained ankle and Choo tried to play through it during the season. He was finally shut down at the end of August so that he could have surgery to remove a bone spur from his left elbow.

The Rangers also announced that outfielder Michael Choice will miss the final two weeks of the season with a severely strained left hamstring. Choice sustained the injury running the bases Sunday against the Braves.

To replace Choice, the Rangers activated rookie outfielder Jake Smolinski off the disabled list. He has been sidelined since July 22 with a fractured bone in his left foot.

Other injury updates:

• General manager Jon Daniels said pitcher Yu Darvish has not been cleared to throw and is not expected to resume throwing before he returns to Japan at the end of the season. He was shut down with mild inflammation in his right elbow.

• Pitcher Miles Mikolas, who is sidelined with shoulder fatigue, did not make the road trip and the Rangers have all but ruled out the possibility of him pitching again this season.

• Outfielder Alex Rios is on the road trip but his infected thumb is not 100 percent and the Rangers aren't sure when, or if, he'll be back in the lineup.