For some reason yesterday , Chip Kelly and Duce Staley had him take it easy .
Murray knows that the season is a marathon and not a sprint , so he 's not going to get all worked up about a practice .
For some reason yesterday , Chip Kelly and Duce Staley had Murray take it easy .
Murray knows that the season is a marathon and not a sprint , so he 's not going to get all worked up about a practice .