Ex-Vikings wide receiver blasts his former coach Brad Childress on a conference call, telling reporters he would like to "duke it out" at the 50-yard line with his former coach. Click through for other player-coach feuds.
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The Royals' Jose Guillen, left, had a heated exchange with Kansas City pitching coach Bob McClure before a game in July game.
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Red Sox slugger Manny Ramirez apologized after a confrontation with traveling team secretary Jack McCormick, in which the slugger reportedly shoved him to the ground on June 28.
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Shawn Chacon, left, was placed on waivers by the Astros June 26 following a physical confrontation with GM Ed Wade. "I lost my cool and I grabbed him by the neck and threw him to the ground," Chacon said. The pitcher was upset by the decision to move him from the starting rotation to the bullpen.
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Outspoken wide receiver Chad Johnson has repeatedly feuded with Cincinnati Bengals management. Johnson blasted the team last year for implying he was "selfish and a cancer" and asked for a trade, prompting head coach Marvin Lewis to reply "he is a Cincinnati Bengal for quite a while."
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NASCAR star Dale Earnhardt Jr. and his step-mom, Teresa, feuded over Dale Jr.'s trademark No. 8 after his departure from DEI last year. The driver settled on using No. 88 in 2008.
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Manager John Gibbons, who was recently fired by the Blue Jays, routinely feuded with players during his time in Toronto. Gibbons reportedly challenged Shea Hillenbrand to a fight in July 2006 and had a shoving match with Ted Lilly after the pitcher refused to surrender the ball when he was removed from a game later that year.
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Chicago Bulls rookie Joakim Noah, left, was benched for a game last season for a confrontation at practice with assistant coach Ron Adams before a game at Philadelphia. But his teammates voted to keep him benched for an additional game.
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The scuffle wasn't the Bulls' first. In 2006, Ben Wallace, left, challenged ex-head coach Scott Skiles on a Bulls team rule forbidding headbands. Wallace was pulled from a game by the coach for defiantly wearing it during play.
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Falcons star D'Angelo Hall, left, was one of the many Atlanta players who had issues with former coach Bobby Petrino last year. After Petrino bolted for a college gig with Arkansas at the end of last season, Hall said "I don't have any respect for him. He turned his back on the organization."
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