Texas A&M quarterback Johnny Manziel and South Carolina defensive end Jadeveon Clowney are included in a 98 players who have been given special eligibility for April's NFL Draft.
The NFL on Sunday released the list of early entrants, with the number of those declaring for the draft increasing for a sixth straight season.
Last year, 73 underclassmen declared, including running back Eddie Lacy and cornerback Dee Milliner, who were drafted by the Packers and Jets, respectively.
In addition, four players who have graduated and still have eligibility remaining declared for the draft, including Louisville quarterback Teddy Bridgewater.
Manziel, Clowney and Bridgewater are all expected to be first-round selections in the upcoming draft, which will take place from May 8-10 in New York.