"I haven't built up enough arm strength yet to probably start," Lowe said. "Put it this way, it was never mentioned."
The spot in the rotation came open when the Rangers put Matt Harrison on the disabled list with inflammation in his back. Manager Ron Washington said a roster move needed to be made regardless, so they decided to bring up a starter instead of a reliever to take Lowe's spot in the bullpen.
Lowe said he is fine with what he is doing.
"I pitched when I'm called upon and when they tell me to pitch," Lowe said. "I have no problem with that. They've got to do what's best for the team. This is what I signed up for. Sometimes you may go a long time between pitching and sometimes you pitch a lot."
T.R. Sullivan is a reporter for MLB.com. Read his blog, Postcards from Elysian Fields, and follow him on Twitter @Sullivan_Ranger. This story was not subject to the approval of Major League Baseball or its clubs.