The Tennessee Titans have signed veteran linebacker Zac Diles and rookie fullback Collin Mooney, the team announced Tuesday.
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Mooney is a 2009 West Point graduate and now will ask the Army for an early release.
Diles is a five-year veteran who played 10 games with the Tampa Bay Buccaneers and Indianapolis Colts last season. Diles played in 50 games for the Houston Texans between 2007 and 2010, starting in 30.
The Titans released fullback Will Ta'ufo'ou and linebacker Lawrence Wilson to clear roster space.
The Associated Press contributed to this report.