Horrific details emerge from the night Johnny Manziel 'kidnapped his girlfriend, threw her on the bed and hit her so hard it ruptured her eardrum'

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Johnny Manziel's ex-girlfriend says in an affidavit that he hit her so hard during a late-night confrontation that she lost hearing in one ear.

Colleen Crowley's affidavit was obtained by KXAS-TV and published online Monday. Crowley suffered a ruptured eardrum, which is expected to eventually heal, Crowley's lawyer, Kathy Kinser, told the television station.

Crowley detailed Manziel's alleged attack as part of proceedings to obtain a protective order against the troubled Cleveland Browns quarterback, who is under criminal investigation on allegations of domestic violence.

Affidavit released: The NFL quarterback hit girlfriend Colleen Crowley so severely on January 29 that she suffered a ruptured eardrum and still can't hear in her left ear, Crowley's attorney said Monday 

Crowley (pictured with Manziel) alleges that during an argument in Dallas earlier this month Manziel hit her repeatedly in the head before threatening to kill both her and himself

Manziel, a Heisman Trophy winner whose professional career has been marred by headlines about his drinking and other personal issues, is expected to be cut by the Browns next month.

He has not been arrested or charged. 

In the affidavit, Crowley said she and Manziel had a confrontation in his hotel room at about 1:45 a.m. on January 30. 

She said that her and Manziel had broken up in December after dating for two years and living together for four months in Cleveland.

Earlier in  the night she had been having dinner with friends in Dallas and then went bar-hopping.

She had been texting with Manziel and agreed to him up with later.  

Crowley accused Manziel of throwing her onto his bed after the two discussed him 'being with a girl who had caused us problems in the past.'

Crowley said she tried to leave, but he restrained her and led her downstairs to the valet, where he directed her to his car. 

'Please don't let him take me,' she told the valet, according to her affidavit. 'I'm scared for my life!' 

She said the valet disregarded her pleas for help.

Johnny Manziel has been hit with a restraining order against former girlfriend Colleen Crowley (left and with Manziel, right) after she said an argument between the pair left her 'fearing for my life' 

Crowley and Manziel eventually made it to her vehicle in front of a Dallas bar, Concrete Cowboy, her affidavit says. 

Manziel allegedly got into the driver's seat of her car and started to back out of the spot. 

She said she opened her door and jumped out, running across the road and trying to hide on some bushes.

She accused him of chasing her down, grabbing her by the hair, throwing her back into the car and hitting her left ear.

'Fearful for my life, I hit (Manziel) several times, hoping I could back out of the car,' she said in the affidavit, adding Manziel 'threw me off of him and I hit my head on the car window and I fell into the passenger floorboard.'

'He hit me with his open hand on my left ear for jumping out of the car,' she wrote. 

'I realized immediately that I could not hear out of that ear, and I still cannot today.' 

Manziel (pictured in 2014 after being selected by the Cleveland Browns) has denied all the allegations against him and two police forces have dropped their investigations with no charges after Crowley became uncooperative during questioning 

Police have said they drove to Fort Worth, where Crowley lives.

Crowley said that Manziel told her he was going to drop her off and then 'go kill myself'

She worried he was on drugs or having a 'psychotic break' so she started trying to calm him down by saying, 'I love you,' she wrote. 'We can figure this out, we can talk.'

Manziel 'started laughing at this and I became really scared,' she wrote. 

He allegedly told her: 'Shut up or I'll kill us both!'

At her apartment, Crowley said that Manziel smashed her phone on some tiles when she asked for it.

She went inside her place and tried to FaceTime her parents while he paced outside.

The affidavit says that, when Manziel came into the apartment, he saw that Crowley had tried to her contact her parents, and she became scared.

'I became extremely scared as to what he might do,' she wrote. 'I was in my kitchen so out of fear for my life, I pulled a knife out of my knife block and advanced toward him.' 

Manziel then fled on foot, and Crowley went to her neighbor's for help.   

Manziel's attorney did not return a phone message Monday.

Crowley spoke to Dallas police on Friday, and shortly afterward, authorities announced they were investigating a domestic violence complaint against Manziel. 

COUNTDOWN TO DISASTER: TIMELINE OF JOHNNY MANZIEL'S TROUBLES 

Summer 2010: Already a highly sought-after quarterback, Manziel signs up to the University of Oregon before switching to Texas A&M a few months later

2011: In February Manziel signs up for the college football team, but is redshirted for the rest of the season

2012: Manziel bursts on to the college sporting scene, piling up 4,500 combined throwing and running yards for a total of 38 touchdowns. He is named SEC Freshman of the Year, is handed the Davey O'Brien award for best quarterback, and receives the Heisman Trophy

Manziel was awarded the Heisman trophy during his first season playing for Texas A&M in 2012 (pictured)

2014

May 8: He is drafted to the Cleveland Browns in the first round, and 22nd overall. He was tipped as high as first overall, but concerns over his party-hard lifestyle saw his stock fall

May-June: Manziel is spotted partying in Vegas with Rob Gronkowski, drinking champagne on the back of an inflatable swan in Texas, and then spotted partying with boxer Floyd Mayweather

June 27: Despite concerns about his lifestyle, Manziel says he 'absolutely' expects to start for the Browns in the upcoming season

July 4: A picture emerges showing Manziel rolling up a $20 bill in a bathroom in Vegas. Browns officials later say they are 'alarmed' by his behavior

August 18: Manziel is fined $12,000 for flipping the bird at the Washington Redskins' sideline during a 24-23 loss. Two days later Brian Hoyter is named starting quarterback over Manziel 

November 22: After being approached by a fan in Cleveland, Manziel ends up getting in a fight. The Browns describe his behavior as 'concerning'

December 14: Manziel makes his first NFL start, throws two interceptions, and leads his team to a 30-0 loss against the Cincinnati Bengals

December 23: He is ruled out for the rest of the year with a hamstring injury, but is accused of throwing a party three days later meaning he was late for treatment. He denies this

Despite saying he 'absolutely' expected to start for the Browns in 2014, Hoyter is picked over him. A series of lackluster performances and off-field controversies sees him enter rehab early in 2015

2015 

January 3: Manziel is reported to have flipped the bird a hecklers in a Houston nightclub, causing them to throw drinks at him

January 28: Manziel enters rehab

April 11: He leaves rehab before issuing an apology letter to Browns teammates and fans saying he accepts 'full responsibility' for his actions and is 'ready to work hard'

October 12: Manziel is pulled over for speeding down the shoulder of a highway during an argument with then-girlfriend Colleen Crowley. He is later shown to have been drinking

November 17: Despite his troubles, Manziel is named starting quarterback for the rest of the season. He throws for 1,500 yards, seven touchdowns and five interceptions. Browns finish 3-13, the second-worst record of the season, and head coach Mike Pettine is fired

November 23: Manziel is filmed during a two-day bender on the Browns' bye week. It is later reported that he told friend to lie about the video if asked by team officials

2016

January 2: Manziel reports concussion-like symptoms and is ruled out of the Browns last game of the season but is scheduled for protocol checks. The day prior to those checks he is spotted partying in Vegas, wearing a blonde wig, a mustache, and calling himself 'Billy'. He fails to show for the checks and is later reported to have arrived at practice 'disheveled and inebriated'

January 29: While out partying in Dallas, Manziel is reported to have got into another fight with now-ex-girlfriend Colleen Crowley during which she accused him of beating her and threatening to kill them both. Police are called but later close their investigation with no charges brought

February 2: Cleveland Browns announce their decision to drop Manziel as soon as possible