Arnold was the only representative of the Mississippi Private School Association named the to Clarion-Ledger All-State team as well as just one of three juniors on the squad. He was drawing interested from schools throughout the Southeastern Conference, Michigan, Penn State, Nebraska, Illinois and Colorado when LSU came up with its offer.
Strength, quickness and physicalness are the assets Arnold has to offer, according Centreville head coach William Hurst. The lineman has recorded a bench press of 400 pounds and was clocked at 5.1 in the 40-yard dash.
Arnold joins two other early LSU commitments, tight end Keith Alleger of Leesville and defensive back Jesse Daniels of Breaux Bridge.