MSU moves to 3-3 in SEC play.
Arnett spent the last two seasons as the defensive coordinator at San Diego State University.
De'Runnya "Bear" Wilson was 25 years old.
REACTION: Mississippi State beats LSU, 64-60, for the Bulldogs eighth consecutive win.
Hill originally declared for the NFL Draft in December.
WATCH: MSU head coach Mike Leach was officially introduced at Mississippi State (cowbell and all) as the 34th head coach in program history.
Mike Leach's opening statement as he becomes the 34th head football coach in the history of Mississippi State football.
Mississippi State junior linebacker Willie Gay will enter the 2020 NFL draft.
Tua Tagovailoa will forego his senior season to enter the 2020 NFL Draft.
After finishing his second season, 6-7, Joe Moorhead has been fired from Mississippi State according to multiple sources.