Mailbag: Commits with second thoughts?

WeAreSC recruiting reporter Blair Angulo answers reader questions in his mailbag every Friday. Have a USC recruiting question of your own? Submit it here.

Ruben Jimenez (Rancho Cucamonga, Calif.): Blair I'm hearing rumors that Ty Isaac has decommitted and has committed to Notre Dame. Any truth to this rumor? There has been speculation that SC has cooled on Isaac because of his injury. Any information?