Both are D-FW products returning home to play for the Mean Green.
Fleming spent the last 20 years at Colorado Mesa, which he led to the NCAA Division II national tournament in each of the last four years.
Burrell was one of six Sam Houston transfers UNT announced as signees on Monday.
The Mean Green picked up momentum as they begin American Athletic Conference play next week.
Fisher passed on moving to the P5 level to continue playing for the staff that is jumping from Sam Houston to UNT.
The Mean Green pulled out a victory in a tight battle with the defending Sun Belt regular season champions.
The Mean Green knocked off some rust quickly in one of its most dominating performances of the year.
Poffenbarger spent the 2024 season as a backup QB for Miami after throwing for 3,603 yards for Albany in 2023.
Morris’ departure would leave UNT in a tight spot entering its First Responder Bowl showdown with Texas State.
The Mean Green fell to 6-3 with a road loss to High Point that was highlighted by 58 combined free throw attempts in the second half.