[2] He spent 2012 as a graduate assistant football coach under Nick Saban at Alabama.

[3] In 2015, he joined Thompson High School as a running backs coach and strength and conditioning coordinator.

[4] Castille's father, Jeremiah, also played college football at Alabama before spending six seasons in the NFL with the Tampa Bay Buccaneers and Denver Broncos.

Castille's brother, Simeon, was a cornerback in the NFL and United Football League between 2008 and 2014.

This biographical article relating to an American football running back born in the 1980s is a stub.