Quessenberry had a pair of Big Ten offers, from Wisconsin and Nebraska, and two schools that will be in the Big East by the time he gets into college, SMU and hometown San Diego State.
But the Cougars became the first Pac-12 program to offer.
"Coach Maguire offered me as an offensive lineman but didn't say what position," said Quessenberry.
Another Western program could be next as well.
"I'm supposed to get one from Nevada soon," said Quessenberry.
is in his eighth year with Scout.com and FOXSportsNext, currently as a National Recruiting
Analyst and West Regional Manager.
Prior to joining the Scout Recruiting Team, he was a team recruiting writer.
He's been covering recruiting for the Scout Network since 2003.