Graham told FightOnState.com's Cory James of the commitment moments after it happened.
"I always knew where my heart was and I'm excited to be a part of the team now," Graham said. "Coach [Tom] Bradley was excited and wants to go out and get more guys to make it a great class."
Tom Bradley is the PSU assistant who recruits western Pennsylvania.
Graham is a tremendously athletic 6-foot-5, 245-pounder. He has a 75-inch wingspan and has been timed at 4.98 seconds in the 40-yard dash. He is considered to have a serious upside.
He is the fifth member of the Lions' Class of 2010.