ORCHARD PARK, N.Y. -- Buffalo Bills offensive tackle Seantrel Henderson is facing a four-game NFL suspension for violating the leagues substance-abuse policy, a source told ESPN NFL Insider Adam Schefter.The positive test was apparently caused by a treatment for Crohns disease and the suspension is under appeal, a source told Schefter. While some reports have indicated marijuana was the cause of the positive test, sources tell ESPN marijuana is only part of the equation.Bills coach Rex Ryan wouldnt comment on specifics of the suspension, but he said the team would fill the void.Well be prepared for whatever happens, obviously, he said. For us, any time, with any situation, our board is set up to where you got the top free agents available -- whatever the situation is, through injury or whatever -- our pro personnel department is on top of it.Henderson, 24, tested positive for marijuana at the NFL combine in 2014, a source told Schefter. He also was suspended while playing at the University of Miami for failed drug tests. Hendersons history with substance abuse caused some teams to remove him from their draft boards.Ryan said the Bills have a program in place to steer players clear of danger.Well I think, first off, were not perfect by any stretch of the imagination, but we try to provide our players with -- I think our player program department, we bring in speakers, we try to have, even through the league theres things set up, he said. But unfortunately weve had some issues.The Bills selected Henderson with their seventh-round pick in 2014. He started all 16 games at right tackle as a rookie and started 10 of the Bills first 11 games last season, missing one game in October with a concussion.Henderson missed the final five games of last season after he was diagnosed with Crohns disease, an inflammatory condition that affects the digestive system.The third-year tackle told The Palm Beach Post last month that he underwent surgery in January to remove 2? feet of his intestines, resulting in him losing nearly 50 pounds and having to wear an ileostomy bag until his intestines were reattached in April.I was weak, Henderson told the newspaper. At first I couldnt stand up on my own. I felt so weak. It was terrible. I didnt like it at all. I kept walking and walking around the hospital.Hendersons weight dropped to 281 following the surgery, but he regained most of his lost weight by the time he returned to practice Aug. 22. He is now on a strict diet that prevents him from eating gluten or certain vegetables.Jordan Mills replaced Henderson in the starting lineup late last season and remains the Bills projected starter this season. Henderson has mostly taken snaps with the second team since returning to practice.Hendersons suspension is the teams third substance-abuse suspension since the summer. Former running back Karlos Williams was suspended four games in July and later released, while Pro Bowl defensive tackle Marcell Dareus will miss the first four games of this season for what he called a missed drug test. Reggie White Youth Jersey . However, he did make them miss him a little less. Cundiff, who had the unenviable job of replacing Dawson last season, agreed Thursday to a one-year, $1. Clay Matthews Packers Jersey . Sgt. 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LONDON -- English soccers governing body launched a review Sunday into an escalating child sex-abuse scandal to discover what professional clubs knew about crimes being committed by coaches and what action should have been taken at the time.No such investigation was launched by The Football Association after Barry Bennell, a coach at the center of the scandal who was linked to Manchester City and Crewe Alexandra, was first convicted in the 1990s in both the United States and England for molesting players.It has taken former victims of Bennell and other coaches to waive their anonymity over the last two weeks to bring a fresh light on abuses they suffered while trying to break into professional soccer. The players union said more than 20 players had called them with allegations of abuse.With the helpline its a matter whether they wish to come out publicly or remain anonymous, Professional Footballers Association chief executive Gordon Taylor told Sky News television. This is centering for the moment on clubs Crewe Alexandra, Blackpool, Manchester City, Stoke, Leeds United and then, in the northeast Newcastle United. It would be naive to think there wont be clubs as well in all areas.Four police forces across England, including in London, have opened investigations after being contacted about Bennell and other unnamed individuals.At this time, with acknowledgement that a wide-ranging inquiry may be required in time, we are working closely with the police to support their lead investigations and must ensure we do not do anything to interfere with or jeopardize the criminal process, the FA said.Lawyer Kate Gallafent, who has experience working on child protection issues in sports, has been brought in by the FA to look into the abuse allegations and make recommendations in order to seek to ensure these situations can never be repeated.The internal review will look into what information the FA was aware of at the relevant timmes around the issues that have been raised in the press, what clubs were aware of, and what action was or should have been taken, the FA added in a statement.dddddddddddd.Claims have also emerged that clubs in England agreed settlements with players who suffered sexual abuse in exchange for confidentiality about the cases.I find it incredible if clubs have been paying these lads to be quiet, said Taylor, who has been involved with the PFA since 1972.The renewed focus on the ordeals suffered by footballers comes amid an official inquiry in Britain into decades of alleged child sexual abuse by powerful figures in society.The inquiry was set up following the 2011 death of entertainer Jimmy Savile, after which dozens came forward to say he had abused them. Subsequent revelations have implicated entertainers, clergy and senior politicians and the inquiry aims to find out whether British public agencies -- including the BBC, churches and political parties -- had neglected or covered up allegations of child sex abuse from the 1970s to protect politicians and others in power.We, as a country, are now having to deal with the legacy of non-recent sexual abuse and the thousands of allegations that we are now seeing across the country, said chief constable Simon Bailey, lead officer on child protection issues at the National Police Chiefs Council. We are receiving reports of abuse in all sorts of different institutions.I am not in the least bit surprised that we are now seeing the lid lifted on exploitation within the world of football and I suspect there will be other sporting governing bodies -- again in the next few days and weeks -- who will come forward and who will identify the fact that they have similar problems.---Rob Harris is at www.twitter.com/RobHarris and www.facebook.com/RobHarrisReports ' ' '