ARLINGTON -- Catcher Jarrod Saltalamacchia is expected to see a medical specialist and could end up on the disabled list because of continuing problems with his right arm.

Rangers general manager Jon Daniels said the disabled list is a possibility and the club is still not sure exactly what is wrong with Saltalamacchia.

Something is definitely going on with Saltalamacchia's right arm. He had soreness in his right shoulder last week in Anaheim, and had to come out of Friday's game with the Red Sox in the fourth inning because of numbness in his right hand.

Saltalamacchia was having trouble throwing, and the Rangers are concerned. Right now, nobody is sure if the numbness in the hand is related to the shoulder problems of last week.

"It's tough," Saltalamacchia said. "I want to play. I don't want to hurt the team, but I want to play."

Taylor Teagarden would take over as the Rangers' No. 1 catcher if Saltalamacchia was out for an extended period, but his backup is uncertain. Most likely, it will be Kevin Richardson, who is at Triple-A Oklahoma City, but the Rangers are also exploring trade possibilities.