Could be any one of a thousand reasons. Hell maybe he wants to get away from an exgirlfriend. Or maybe he is chasing some *** to Michigan. We know that stuff is undefeated.
I said this before and still think he saw that next year he would not be starting. Jett took a lot of his playing time away. And those 3 guys that redshirted are hungry to get on the field too.
Get used to it. Every year, there's gonna be good players transferring both in and out. We've picked up a few good ones recently. We just need to be sure we're continuing to recruit the transfers as hard, or maybe even harder, than the HS kids.