COLLEGE FOOTBALL

COLUMBIA, Mo. (AP) Unrest on the Missouri campus brought on by dissatisfaction with the way the president of the university system handled complaints about racism had been brewing for months.

It took only two days after the football team joined the protest and threatened to stay off the field until a black student protester ended his hunger strike for the target of their boycott - Tim Wolfe, president of the University of Missouri system - to be gone.

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The Missouri team's stand was credited with escalating the protest about long-simmering tensions about race and other student welfare issues on campus. It was a serious threat with financial implications: The Missouri athletic department faced a $1 million dollar payment to BYU if it had to back out of their game.

Wolfe quit Monday morning and said he took full responsibility for students angered by what they saw as indifference to racial tensions at the flagship campus in Columbia. With Wolfe's resignation, Missouri graduate student Jonathan Butler ended his weeklong hunger strike.

And almost as swiftly as they started the football strike, the team backed away from the spotlight.

TRACK & FIELD

GENEVA (AP) - Russia's status as a sports superpower and its participation in track and field events at next year's Olympics came under threat after a report accused the Russians of widespread, state-supported doping reminiscent of the darkest days of cheating by the former East Germany.

The findings by a commission set up by the World Anti-Doping Agency were far more damaging than expected. It means that two of the world's most popular sports - soccer and track and field - are now mired in scandals that could destroy their reputations.

The WADA investigation's findings that Russian government officials must have known about doping and cover-ups, with even its intelligence service, the FSB, allegedly involved, threatened to severely tarnish President Vladimir Putin's use of sports to improve his country's global standing. Russia hosted the last Winter Olympics in Sochi in 2014 and will hold the next World Cup in 2018.

NFL

ENGLEWOOD, Colo. (AP) - Aqib Talib says he understands why the NFL suspended him for poking Colts tight end Dwayne Allen in his right eye. He just hopes the league agrees it was accidental once he gets to tell his side of the story.

The NFL swiftly slapped Talib with a one-game suspension, and just as quickly Talib appealed the punishment ''just for the simple fact that it was not intentional,'' he said.

If upheld, Denver's star cornerback will miss the Broncos' game against the Kansas City Chiefs (3-5) this weekend. He'll also miss out on a $323,529 paycheck on his $5.5 million base salary.

ST. LOUIS (AP) - The St. Louis Rams signed wide receiver Wes Welker, hoping he can help them dig out of a third-down problem.

The Rams are 4 for 37 on third down conversions the last three games. They won the first two thanks to a stout defense that permitted just 12 points, but lost 21-18 in overtime at Minnesota on Sunday.

Coach Jeff Fisher announced the signing during his news conference, at first saying the parties were negotiating then getting the ''thumbs up'' from the front office. The Rams had the 34-year-old Welker for a workout earlier in the day.

FOXBOROUGH, Mass. (AP) - The New England Patriots put running back Dion Lewis on injured reserve, ending his season one day after a serious injury to his left knee in a win over Washington.

Team officials announced the move hours after coach Bill Belichick said Lewis' chances to play didn't look so good as he was finishing up some tests.

Lewis had been one of the biggest surprises for the Patriots (8-0) this season, with 622 combined yards rushing and receiving in seven games.

Lewis was hurt Sunday after catching a 14-yard screen pass. His left leg buckled as he tried to make a cut, causing him to grab for his leg as he went down. Lewis was checked on the field then walked off without a serious limp.

COLLEGE BASKETBALL

LOUISVILLE, Ky. (AP) - Five women have joined a lawsuit filed against escort Katina Powell and say she falsely alleges in her book that they participated in prostitution at the University of Louisville.

Jemiah Nash, Marquease Richardson, Precious Burnley, Shinita Martin and Dolly Bolden joined a suit previously filed by a Louisville student that accuses Powell of damaging the school's reputation in her book, ''Breaking Cardinal Rules: Basketball and the Escort Queen.'' Powell says former Cardinals men's basketball staffer Andre McGee hired her and other dancers to strip and have sex with recruits and players.

The women say Powell's allegations are false and accuse her, author Dick Cady and publisher IBJ Book Publishing of using their names, stage names and images without consent. Three other students joined the suit on Monday, and it seeks to be designated as a class action.

NEW YORK (AP) - LSU freshman Ben Simmons joined some impressive company on The Associated Press preseason All-America team and could be with those same players at the end of the season.

The 6-foot-10 point forward from Australia, who played his high school basketball in Florida, is just the fourth freshman to be honored on the preseason team. The others - Harrison Barnes of North Carolina (2010-11), Andrew Wiggins of Kansas (2013-14), and Jahlil Okafor of Duke (2014-15) - all were high picks in the NBA draft after leaving school early.

It would be easy to imagine Simmons doing the same. He averaged 28.0 points, 11.9 rebounds, 4.0 assists and hundreds of stunned fans in his senior year of high school in Florida.

Joining Simmons on the preseason All-America team were seniors Kyle Wiltjer of Gonzaga, Georges Niang of Iowa State and Buddy Hield of Oklahoma and junior Kris Dunn of Providence.