Johnny Manziel, Once Top NFL Prospect Turned Party Boy

Former QB is expected to be indicted on a misdemeanor assault charge, the Cleveland Browns and his agent dropped him, but is he a victim of celebrity culture or battling addiction?
7:18 | 04/26/16

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Transcript for Johnny Manziel, Once Top NFL Prospect Turned Party Boy
Known simply as Johnny football, unemployed NFL quarterback Johnny manziel is making headlines not for his game. Tomorrow the 23-year-old is expected to be indicted on allegations that he attacked his ex-girlfriend back in January. The question tonight, is a lifestyle of fame to blame? He's known simply as Johnny football. Touchdown. Of course it is. He had perhaps the greatest nickname in the history of college sports and the game to back it up. Johnny football was like watching houdini in cleats. Johnny manziel. In 2012, he was the first freshman to win the heisman. Fame, fortune, NFL awaited him. Johnny manziel the most exciting football player. Reporter: But fame has a way of humbling people. Johnny manziel needs to stay out of bars. Reporter: These days the 23-year-old is often seen partying in nightclubs. Does the party ever stop? Seen here on TMZ. There's a difference of partying and being out of control. What have we been doing? Walking out being cool? I'm drunk. I'm cool. Reporter: Many see him as the latest casualty of America's obsession with celebrity. Fuelled by money, status and access with little or no accountability. I see this kind of thing with people who have a lot of time, a lot of money, and a lot of enablers. Who doesn't want to say I partied with Johnny manziel? It's credit points ort street, but it's not helping him. That's for sure. He's seen partying. He's trashed hotel rooms. Just about every bad athlete behavior you can do is coming out of him at this point. Reporter: Last month accused of trashing this rented pad. The owner seeking more than $33,000 in damages in replacement fees. Many say manziel's troubles signal he's out of control, battling addiction and treading a dangerous path. His and agent sounding the alarm. I'm not concerned about his football career at this moment. I'm concerned about his life. Reporter: His legal troubles are just beginning. Tomorrow he's expected to be indicted on allegations he assaulted his ex-girlfriend. He says an argument turned physical and she tried to fight him off. She said manziel led her down a back stairway to the hotel valet with her telling them please don't let him take me. I'm scared for my life. She claims later that night he struck her with his open hand on my left ear and she could not hear out of that ear. If we don't buy into her allegations, it may involve a trial or it may not. Who knows? It may result in a dismissal. Reporter: It's the latest in a string of high profile setbacks. Last week NFL superagent terminated manziel's contract, even giving him one last shot at redemption saying he'd take him back if he entered treatment. I've never terminated a player. At this point I don't have a choice. I'm doing the last ditch effort that I can think of right now to help him. I'm not going to be a part of a young man destroying his life. Reporter: In fact, his father even told the Dallas morning news, I truly believe if they can't get him help, he won't live to see his 24 th birthday. He never ccked into rehab and last night he was dropped from his endorsement with Nike. Manziel saying I'm hoping to take care of the issues in front of me right now so I can focus on what I have to do if I want to play in 20 16. A few years ago he showed great promise as a college standout. A cover boy with swagger. Flashing his trademark money sign, snagging an 8.2 million contract to play with the browns. The Cleveland browns select Johnny manziel. Reporter: Endorsement deals followed like this one from Snickers. Hey, man, eat a Snickers. Why? Because you're Johnny football. Reporter: Even before, his hard partying lifestyle raised questions, whispers, could he be trusted to be the face of multimillion dollar NFL franchise? I think I'm perceived as a guy with a lot of talent. Some people think I don't focus on football all the time. There's points in time where I like to enjoy my life. There were some who believed me had star potential. Some believed he would be an average player. Others believed he would be a bust. Reporter: Stories surfaced about him being late for team meetings. He was demoted to third string. He was heading in the wrong direction. I didn't do my best to hush things down, push down the hype. I think at times I welcomed it. With immaturity I accepted that a little bit. It's my fault. Reporter: In January he took a ten week time-out entering a facility in Pennsylvania that specializes in drug and alcohol treatment. I guess I wasn't prepared to handle the type of spotlight that I got, and all the hype that came with it. Reporter: Even after his rehab, his struggles continued to spiral out of control. Instead of toning it down, manziel seemed to embrace his celebrity bad boy image. Basking in the attention. Being called a sports world's Lindsay lohan. We love you. I appreciate you. After a Tur due lent rookie reason he said he was ready to clean up his act. Some of that stuff will drift away with a kid that still had a college mind set a little bit. Reporter: His words never matched his actions. He was dropped from the brown's roster after the January domestic violence allegations against him became public. Let me make it clear. This isn't a pr problem. This is a life problem. You can only address the pr issues once the life problems have been resolved. Until then, there's no fixing it. Reporter: Richard Tate found a treatment center known as a place where many celebrities seek rehab. Tate says manziel needs more in-depth treatment. Nothing aside from the domestic abuse is so bad on its face. But it's the totality of it. It's where there's smoke there's fire. What he's doing is he's self-medicating in order to deal with the stress. Reporter: But as a new crop of NFL hopefuls look to the draft, manziel is hoping for a comeback. In the pros, they're as rare as unicorns. Next, queen B is at it again.

This transcript has been automatically generated and may not be 100% accurate.

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