The Rangers placed Sborz on the 15-day injured list Thursday with a right rotator cuff strain.

The Rangers activated Sborz (shoulder) from the 15-day injured list Thursday.

The Rangers assigned Sborz (shoulder) to Double-A Frisco on Tuesday to begin a rehab assignment.

Rangers manager Bruce Bochy said Thursday that Sborz (shoulder) threw a bullpen session earlier this week and could be ready to return from the 15-day injured list when he's first eligible for activation Monday, Shawn McFarland of The Dallas Morning News reports. "He's doing well," Bochy said. "Sborz is on his way...talking to him, he feels great, his pain is down."

Sborz (shoulder) was placed on the 15-day injured list by the Rangers on Sunday.

Sborz (knee) struck out one over a scoreless inning in Wednesday's spring game against the Reds.

Rangers manager Bruce Bochy said that Sborz has been battling knee soreness lately but will throw a live batting practice session Monday, Evan Grant of The Dallas Morning News reports.

Sborz allowed two runs on a hit and a walk while striking out one over one relief inning during Wednesday's spring game against the Dodgers.

Sborz is among of four relievers being considered as high-leverage bullpen option, Kennedi Landry of MLB.com reports.

Sborz (hamstring) said he'll be available out of the bullpen in Game 4 of the World Series on Tuesday versus the Diamondbacks, Jon Morosi of MLB Network reports.