"Third baseman Adrian Beltre, admittedly an impatient man, said he will try his best to be patient in his on-going rehabilitation from a strained left hamstring.

Beltre injured the leg July 22, and last weekend seemed close to returning from the disabled list. That plan ended Saturday when Beltre, running in the afternoon for the second consecutive day, aggravated the injury. The Rangers now believe he could be out until early September.

"I should have pulled back a little bit, but I was feeling so good," Beltre said. "I'll try to be more patient, but it's not easy to be sitting here knowing that I was almost ready to go back into the game."

The Rangers opened this series at 8-8 with Beltre on the disabled list. "