Bill Belichick

Jacksonville State announced on Thursday that former Alabama safety will become the program's next defensive coordinator under new head coach Charles Kelly.

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Could Mac Jones be out of New England soon?

O'Brien has extensive experience working with Belichick as the pair worked together from 2007-11. He's worked with receivers and quarterbacks in the pros and spent time as offensive coordinator under Belichick, while together the pair won four division championships and two AFC Championships.

The Patriots offense finished 26th in the league in yards per game and 17th in points per game with co-offensive coordinators Matt Patricia and Joe Judge. Hiring O'Brien to fix the offense gives Belichick a trusted mind that can get the most out of third-year quarterback Mac Jones.

The New England Patriots traveled to face their division opponent the New York Jets. The major question coming into the game revolved around which of the two New England quarterbacks would win the position battle taking place at the position.

Mac Jones will keep his starting job despite being benched on Monday Night Football in favor of 4th-round rookie Bailey Zappe.

Jones has struggled this year while his backup shined in his absence during injury. Now, that backup is on the field with a perfectly healthy Jones on the bench.