Happy 21st birthday, Johnny Manziel

Nick Bromberg

It's Johnny Manziel's 21st birthday.

Since he's become the quarterback at Texas A&M and a national sensation, Manziel hasn't shied away from having fun. Like wearing a Tebow jersey to a Texas frat party. Hanging out with Drake. Taking pictures of his winnings at a casino.

The list goes on. So what do you think Manziel did? Maybe he took the Vanderbilt cheerleaders up on that invitation?

If his tweet is any indication, he may not remember.

Or, since he's Johnny Manziel, maybe he wants you to think he doesn't remember. That's the beauty of the Manziel fascination.

Anyway, enjoy the day, Johnny. Stay safe. Spend the last few days of your Heisman reign wisely.

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Nick Bromberg is the assistant editor of Dr. Saturday on Yahoo Sports. Have a tip? Email him at nickbromberg@yahoo.com or follow him on Twitter!