Rangers manager Jeff Bannister said Saturday that Shin-Soo Choo is currently dealing with triceps fatigue.
Shin-Soo Choo was sent home on Thursday due to an upper respiratory infection and flu-like symptoms.
Shin-Soo choo (elbow, ankle) is progressing nicely in his rehab and admits to feeling "too good" as spring training nears.
Shin-Soo Choo (elbow, ankle) said he's currently at about 70-80 percent but hopes to be 100 percent by mid-December.
Rangers activated OF Shin-Soo Choo from the 60-day disabled list.
Shin-Soo Choo had torn cartilage and a small bone spur removed from his left ankle Wednesday.
Shin-Soo Choo is scheduled to undergo arthroscopic surgery Wednesday on his left ankle.
Rangers transferred OF Shin-Soo Choo from the 15-day disabled list to the 60-day disabled list.
Rangers placed OF Shin-Soo Choo on the 15-day disabled list with a bone spur in his left elbow.
Shin-Soo Choo will have season-ending surgery to remove a bone spur from his left elbow.
Shin-Soo Choo did not record a hit in Friday's 6-3 loss to the Royals.
Shin-Soo Choo hit his 11th home run of the season in Sunday's win over the Astros.
Shin-Soo Choo went 4-for-5 in the Rangers' loss to the Astros on Saturday night in Houston.
Shin-Soo Choo went 2-for-4 with a double, home run and two runs scored in Tuesday's win over the White Sox.