The Titans signed LB Zac Diles and RB Collin Mooney on Tuesday. Diles, a five-year veteran, spent the first four seasons of his career with the Texans before playing with the Bucs and Colts in 2011. In 61 career games, Diles has 154 tackles. Mooney is a 2009 graduate of West Point. FB Will Ta’ufo’ou and LB Lawrence Wilson were released.