The 24-year-old joined Oxford on trial from Thame United last year and, after an impressive spell in both the reserves and first team, was offered a deal at the club.

"I don't think since Christmas he's done himself justice," Atkins told the club's official website.

"His name will be circulated and it may now give him the kick up the backside he needs. We'll wait and see what happens next.

"There are plenty of people out there who are desperate to play football and I've just been disappointed with Jefferson's commitment and attitude."