26-year old righty reliever Deolis Guerra will be out several weeks after undergoing an emergency appendectomy. He pitched in 7 games (0 starts) in spring training for the Los Angeles Angels and he was 0-1 with a 8.22 ERA and a 1.83 WHIP. Guerra pitched in 10 games (0 starts) for the Pirates last year in his first taste of the majors and he was 2-0 with a 6.48 ERA and a 1.74 WHIP. He also pitched in 25 games (0 starts) in AAA-ball last year in which he was 2-1 with 4 saves, a 1.23 ERA and a 0.79 WHIP. Guerra will have to work his way to L.A. after he gets healthy.