Friedrich not concerned about back issue

SCOTTSDALE, Ariz. -- Rockies left-hander Christian Friedrich's rookie year in 2012 was shortened by a stress fracture of the lower back. Back issues are slowing the beginning of his '13, but he said there is no reason to be alarmed.

"One morning two weeks ago, I woke up to go play catch ... it wasn't the same pain, just something where I had to take a step back so it could come down," said Friedrich, who went 5-8 with a 6.17 ERA in 16 starts last season before being shelved. "The past five days, I've felt much better. I think I'm just a little slowed down. I'll miss a bullpen or two at the most."

Also, lefty Edwar Cabrera, who pitched well in the Minors but was schooled to the tune of 0-2 with an 11.12 ERA in two Major League starts, and non-roster lefty Erick Threets are on slightly delayed schedules because of issues that arose during their physicals.