...well, he could try to prove that he can shut down elite college hitters...or that he has the character necessary to play on a team where he isn't always the featured athlete...or that he can stick to a commitment...or that maybe -- just maybe -- Juco isn't tantamount to MLB.
Just a few things "left to prove" in my estimation.
"...when I came to Nebraska I was blown away and said 'dang, this is ridiculous.' It was way nicer here than Oklahoma." Trai Mosley