Jeff Wilson of the Fort Worth Star Telegram reports that Tanner Scheppers has torn articular cartilage in his left knee and will undergo surgery.
Rangers and RHP Tanner Scheppers avoided arbitration by agreeing to a one-year, $900,000 contract.
Tanner Scheppers tried to play catch Saturday but still felt soreness in his right index finger.
Tanner Scheppers suffered a cut on his right index finger during the Rangers' post-clinching celebration on Sunday.
Rangers recalled RHP Tanner Scheppers from Triple-A Round Rock.
Rangers activated RHP Tanner Scheppers from the 15-day disabled list; optioned him to Triple-A Round Rock.
Tanner Scheppers (knee) has begun a rehab assignment with Double-A Frisco.
Rangers placed RHP Tanner Scheppers on the 15-day disabled list with left knee inflammation.
Rangers optioned RHP Tanner Scheppers to Triple-A Round Rock.
Rangers activated RHP Tanner Scheppers from the 15-day disabled list.
The Rangers will wait until Friday to activate Tanner Scheppers (ankle) from the disabled list.
Tanner Scheppers (ankle) is likely to be activated from the disabled list on Wednesday.
Tanner Scheppers (ankle) struck out all three hitters he faced in his first minor league rehab appearance with Double-A Frisco on Thursday.