Johnny Manziel swore that he would get serious this off-season and cut down on his partying ways in an attempt to earn the Cleveland Browns starting quarterback job in 2015. Well, that's a lot easier said than done when you have Playbody models publicly stating they want to date you.

Johnny Football Promises To Take 2015 'More Seriously'

Barbara Desiree, a playmate for Playboy's South African edition, spoke with Busted Coverage recently, and said she's obsessed with the former Heisman Trophy winner.

“Can u get me a date with him?” she even asked, from her official twitter account.

Ten Hot Photos of Johnny Football's Main Squeeze

Manziel is no doubt flattered by the attention, but sorry, Barbara -- he's taken. The Browns QB has been dating TCU undergrad and part-time fashion model Colleen Crowley for over a year now. Just yesterday Crowley posted an Instagram photo of the happy couple together.

 When you're in love with your best friend.

A photo posted by Colleen Crowley (@coll_crowley) on Jan 28, 2015 at 6:04pm PST

Here are some SFW(-ish) photos of playmate Barbara Desiree