Prospect Martin Perez breaks forearm

SURPRISE, Ariz. -- Texas Rangers left-hander Martin Perez suffered a broken ulna in his left forearm when he was struck by a line drive during the sixth inning of Sunday's 7-6 loss to the Seattle Mariners.

Perez is not expected to resume a throwing program for approximately four weeks while the fracture heals. In the meantime, he will be placed on a left shoulder and cardiovascular conditioning program.

"It's hard for me because this is the first time it's happened to me in my life (being injured)," Perez said Monday.

"I have to be ready for the situation up here," he said while pointing to his head.

Perez said he has to keep the wrist mobilized for two weeks before beginning the first step of his recovery. Considering he can't throw for up to a month, and then, according to Perez, will need another 3-4 weeks to return to form, a return to the Rangers may not happen until early May.

"I didn't see where it hit him. He was on the ground and I just ran out to see him," manager Ron Washington said after the game. "He got hit pretty hard."

Perez was in the second inning of relief when a bullet off the bat of Mariners second baseman Brad Miller sent Perez to the ground in pain. The 21-year-old was immediately removed from the game and taken for X-rays at Del Webb Medical Center in Surprise.

The highly-regarded prospect was making his second appearance of the spring and had performed well while competing against a number of other pitchers for the open fifth spot in the Rangers rotation.

Ron Matejko is a contributor to ESPNDallas.com.