Peyton Manning and a dark history his football dynasty family have tried to bury: Super Bowl legend 'sexually abused his college team's trainer and stood by as his father smeared her good name' Peyton Manning and his father 'smeared' the star quarterback's college football trainer after he allegedly sexually assaulted her by rubbing his naked testicles and buttocks on her face. Nearly 20 years before his second Super Bowl win, he is claimed to have 'placed his naked butt and rectum' on the face of Dr Jamie Naughright while she was checking his foot for a stress fracture. Unearthed court documents reveal Manning had details of an earlier confrontation involving him and Dr Naughright that may have led to the 1996 alleged assault being hushed up. A book co-written by Manning and his father, Archie Manning, then accused her of having a 'vulgar mouth', leading to her losing her job despite seemingly doing nothing wrong. The Mannings eventually settled a defamation lawsuit, but not until after Archie Manning falsely accused the trainer of sleeping with a number of black student athletes. Scroll down for video +9 +9 Peyton Manning and his father 'smeared' the star quarterback's college football trainer Dr Jamie Naughright after he allegedly sexually assaulted her by rubbing his naked testicles and buttocks on her face +9 A book co-written by Manning and his father, Archie Manning (pictured together in 1995), then accused the trainer of having a 'vulgar mouth', leading to her twice losing her job despite seemingly doing nothing wrong Details of the alleged assault emerged in the early 2000s when Dr Naughright, a leading trainer with athletes who worked at the University of Tennessee, received a letter from representatives of the Manning family. Manning and Archie Manning had written a book, in which they accused her of having a 'vulgar mouth' and calling young students 'motherf***ers'. The book, called Manning, also referred to the incident in the treatment room at the University of Tennessee in 1996, which had led to her leaving the college as part of a settlement agreement. Manning claimed he had just been mooning one of his teammates and that the whole incident was 'harmless'. But speaking of the incident was in breach of a confidentiality agreement Manning and Dr Naughright had signed as part of a deal so both of their careers would not be tarnished. The physiotherapist took the Mannings took to court for breaking the deal and for defamation, where the sexual assault allegations came to light. The court documents, obtained by the New York Daily News, contain Dr Naughright's accusation that Manning dropped his trousers and placed his genitals on her face. 'It was the gluteus maximus, the rectum, the testicles and the area in between the testicles. And all that was on my face when I pushed him up. To get leverage, I took my head out to push him up and off,' she said. +9 Peyton and Archie Manning's (center and right, with Eli Manning) book, called Manning, also referred to the incident in the treatment room at the University of Tennessee in 1996 +9 Dr Naughright accused Manning of dropping his trousers and placing his genitals on her face, unearthed court documents revealed Dr Naughright said Manning 'smirked and he laughed' when he saw how angry she was. He claimed he had been mooning fellow student athlete Malcolm Saxon, but Saxon denied this. In a letter to Manning, Saxon wrote: 'Peyton, you messed up. I still don't know why you dropped your drawers. Maybe it was a mistake, maybe not. But it was definitely inappropriate. Please take some personal responsibility here and own up to what you did. I never understood why you didn't admit to it.' The court documents also reveal that an incident between Manning and the female trainer took place two years before, in 1994, which may have led to the later alleged assault. However, Manning's attorneys had three-and-a-half pages detailing what happened redacted from the legal papers. During the hearings, it emerged that both Peyton and Archie Manning had accused Dr Naughright of inappropriate behavior with black students. It was revealed that Manning told his father that the trainer had 'been out with a bunch of black guys', 'was unattractive but had big breasts' and was 'trashy'. She was also said to have had 'the most vulgar mouth of any girl he'd ever seen' and a 'toilet mouth'. +9 Manning's (pictured playing for the Tennessee Volunteers in 1995) attorneys had three-and-a-half pages detailing what happened in an earlier incident between him and the trainer redacted from the legal papers +9 Manning (pictured after winning the Super Bowl last week) also accused Dr Naughright of inappropriate relations with black student athletes John Underwood, who ghostwrote the Manning book, said Archie Manning had told him Dr Naughright was sleeping with black students and that she spent time in their dorms. The court documents say Archie Manning said: 'She'd been up in the dorm before, I mean hey, you know, they could have, you know, could have pulled off stuff on her too. 'Ah, she, toilet mouth, ah Peyton told me he never did like her, but he always did, cause what I'd told him to do, ah, I instructed him to be nice to the tr- … don't ever look down on a trainer or an equipment person you know.' None of the allegations about sleeping with any students were ever substantiated and there is no evidence to suggest it happened. The book also claimed the trainer called younger students 'motherf***ers' and asked Manning to take them for a ride so she would not have to be responsible for them. A string of fellow staff members who were quizzed by Dr Naughright's attorneys all said they could not recall a time when she had been foul-mouthed. +9 Archie Manning (center, with Peyton, right, and Eli, left) had told a ghostwriter that Dr Naughright was sleeping with black students and that she spent time in their dorms. This was not true +9 Manning has gone on to win the Super Bowl twice, in 2006 with the Indianapolis Colts and last week (pictured) with the Denver Broncos The documents also reveal that the University of Tennessee allegedly tried to get Dr Naughright to blame the entire incident on a black student. 'They asked me to go with the story that it was - the reason why I left was because of another athlete who was African American exposed himself and said something wrong,' the trainer said. 'They wanted to have me say that was the reason and not the reason of what Mr Manning did when he assaulted me.' The University of Tennessee asked Dr Naughright to leave following the original allegations, which she reluctantly agreed to despite seemingly doing nothing wrong. After the book's claims, she lost her later job at Florida Southern College. The Mannings settled the defamation lawsuit, although the terms were never disclosed. Their book is still sold and Manning has gone on to win the Super Bowl twice, in 2006 with the Indianapolis Colts and last week with the Denver Broncos, as well as becoming a five-time NFL MVP. Meanwhile, Dr Naughright is not believed to have worked as a trainer since leaving Florida.