Teodo (thumb) threw a bullpen session Sunday with no apparent issues, Evan Grant of The Dallas Morning News reports.
Teodo was pulled from his bullpen session Saturday due to right thumb soreness, Kennedi Landry of MLB.com reports.
The Rangers selected Teodo's contract from Double-A Frisco on Tuesday, Ari Alexander of KPRC 2 Houston reports.
Teodo (forearm) has allowed two earned runs on six hits and three walks while striking out four in 5.1 innings across two starts since being activated from High-A Hickory's 7-day injured list May 24.
Teodo is on the injured list at High-A Hickory with minor forearm tightness, Evan Grant of The Dallas Morning News reports.