Veteran reliever Matt Guerrier has been promoted to Triple-A Rochester after making three scoreless outings for Double-A New Britain. Guerrier, 35, joined the Red Wings at Pawtucket, R.I., on Wednesday, where he recorded two scoreless outs in the eighth inning. He replaces fellow right-hander Deolis Guerra, who was placed on the seven-day disabled list with a hamstring injury. Though Guerrier was charged with a blown save on Monday after giving up an unearned run on a walk and a double, reports have all been positive in his comeback from August surgery to repair a flexor mass in his forearm. "He looks like Matt Guerrier, and that's probably a good thing," Twins assistant general manager Rob Antony said. "His delivery hasn't changed, his arm action hasn't changed. Sometimes when guys have injuries, you see the arm action (become) different, and that will throw up a red flag. He looked the same in spring training and he continues to." Released during the final week of spring training, Guerrier was re-signed and given a May 8 date on which he can opt out of his contract if he's not in the majors.