By Gregg Doyel-

(CBS) This was a red flag. That’s maybe all it was, but that’s what it was. Life-of-the-party Johnny Manziel was sent home from the prestigious Manning Passing Academy recently because he didn’t wake up in time to fulfill his role as counselor. Was he hung over? Simply exhausted? Still drunk from the previous night?

We don’t know that. But I do know this: It was a red flag.

And it was the first red flag of this Summer of Johnny. Let’s be clear about that. None of the stuff that came after the Heisman — but before the premature departure from the Manning camp — was a problem. Not to me, anyway. The night at the casino with a fistful of money. The night at the night club with a fistful of champagne. The Drake concert in Toronto. The trip to Cabo San Lucas. The classes online.

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