Parker Cothren is joining Marcus Allen in Pittsburgh after signing a pro deal with the Steelers.
Davis will join the Bills' Mafia to begin his professional career after scoring 261 points in three seasons as a Nittany Lion.
Haley will join Saquon Barkley in the Big Apple after signing on as an undrafted free agent.
A rock at offensive line for Penn State, Brendan Mahon is now off to Carolina to begin his NFL career.
Nittany Lions Saeed Blacknall and Jason Cabinda have signed deals with the Oakland Raiders after going undrafted, according to tweets from each of them.
The Wolverines spoiled Penn State's Senior Day with two goals in the final six seconds Saturday at Panzer Stadium.