Kyle Bonagura I pledge my life and honor to the Night's Watch, for this night and all the nights to come. Arizona utilizes speed on defense. Arizona State freshman D.J. Calhoun joins the program early. California is looking to get better "if for no other reason than it can't get much worse," writes Jimmy Durkin of the Bay Area News Group. The video folks at Colorado are at it again. Check out this trailer for an upcoming video. Athlon provides a spring preview as Oregon begins practice. Originally posted by ESPN.com - Pac-12 Blog Click here to view the article.