Quinn Ewers suffered an abdominal strain in Week 3.
No official specifics have been given for the FBI's visit.
The fourth week of the season features two games between top-15 teams.
Wallace has two wins over four seasons with the team and finished 10th in the standings in 2023.
Lane Kiffin said Wake Forest had violated an "unwritten rule" in canceling the 2025 matchup.
Saturday's race is the final race of the first round and four drivers will be eliminated from the playoffs.
Manning surged to be the No. 7 favorite at BetMGM following his five-TD performance vs. UTSA.
"If we can get 10,000 households across the state of Arkansas to give $100 a month all year long, we would be in the NIL game from a football perspective."
The school's move comes as an NCAA settlement to pay players could be finalized in the near future.