Karstens is a lock for the 2012 rotation.

BRADENTON, Fla. -- Right-hander Jeff Karstens tossed three scoreless innings in his first Grapefruit League start of the spring. After tossing two scoreless frames on Friday's intrasquad game at McKechnie, Karstens cruised through his outing, needing to throw extra pitches afterwards and finished by riding the stationary bike.

"Usually I try and work as quick as possible. It’s just one of those things where I was able to locate a lot better than I did in the ‘pen before I went out there," Karstens said of his quick outing. "I felt pretty good. I was sweating out there. I think the training staff has a pretty good workout program in place. I kind of bought into it. I feel better than I felt in a long time. Then with the offseason workouts. I t...

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