Barr, a two-time Michigan state champion, is projected to compete for the Nittany Lions at either 174 or 184 pounds once he arrives in Happy Valley.
"They committed to running the quarterback in the second half. That was obviously a major factor in the game."
Arkansas simply outmaneuvered the Nittany Lions with a string of potent halftime adjustments.
New kid on the block Dylan Lugris scored in his Penn State debut to lead the Nittany Lions to victory.
"I'm ready to change the narrative of the Penn State wideout room, and I feel like we're gonna be pretty special...We produce receivers and we've got good ball players that go to Penn State."
Luketa announced his decision shortly after Penn State's Outback Bowl loss to Arkansas.