Life Is Good emerged from a fast work at Santa Anita on Saturday morning with an apparent hind-end injury and will at the least not run in the Santa Anita Derby on April 3, his trainer, Bob Baffert, said early Saturday afternoon.

"He came back to the barn after the work and was off when he turned," Baffert said. "We have to do more tests on him. It's nothing obvious, but he's out of the Santa Anita Derby."