Michael Sam

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Dallas Cowboys Michael Sam walks on the field before the first half of an NFL football game against the San Francisco 49ers, Sunday, Sept. 7, 2014, in Arlington, Texas. (AP Photo/LM Otero)

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Dallas Cowboys practice squad player defensive end Michael Sam arrives to speak to reporters after team practice at the team's headquarters Wednesday, Sept. 3, 2014, in Irving, Texas. (AP Photo/LM Otero)

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St. Louis Rams defensive end Michael Sam (96) looks up at the scoreboard from the sidelines during the first half of an NFL preseason football game against the Miami Dolphins, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. The Dolphins defeated the Rams 14-13. (AP Photo/Lynne Sladky)

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St. Louis Rams seventh-round draft pick Michael Sam, seated at table in white shirt, speaks during a news conference along with Rams coach Jeff Fisher, right foreground general manager Les Snead; and chief operating officer Kevin Demoff, left, at the NFL football team's practice facility Tuesday, May 13, 2014, in St. Louis. (AP Photo/Jeff Roberson)

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Vito Cammisano, left, and Michael Sam pose in the audience at the ESPY Awards at the Nokia Theatre on Wednesday, July 16, 2014, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

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St. Louis Rams defensive end Michael Sam during an organized team activity at the NFL football team's practice facility Thursday, June 5, 2014, in St. Louis. (AP Photo/Jeff Roberson)

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St. Louis Rams rookie defensive end Michael Sam takes part in an organized team activity at the NFL football team's practice facility Thursday, June 5, 2014, in St. Louis. (AP Photo/Jeff Roberson)

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St. Louis Rams defensive end Michael Sam listens to a question while meeting with the media following an organized team activity at the NFL football team's practice facility Friday, June 6, 2014, in St. Louis. (AP Photo/Jeff Roberson)

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FILE - In this Nov. 9, 2013 file photo, Missouri's Michael Sam (52) celebrates in the stands with Missouri fans after an NCAA college football game against Kentucky, in Lexington, Ky. When Sam was drafted by the St. Louis Rams on May 10, 2014, he became the first openly gay player ever drafted by an NFL team. It is a milestone has made longtime gay fans all the more enthusiastic, and already is drawing newcomers into the fold. (AP Photo/James Crisp, File)

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FILE - In this May 13, 2014 file photo, St. Louis Rams seventh-round draft pick Michael Sam listens to a question during a news conference at the NFL football team's practice facility in St. Louis. When Sam was drafted by the St. Louis Rams on May 10, 2014, he became the first openly gay player ever drafted by an NFL team. It is a milestone has made longtime gay fans all the more enthusiastic, and already is drawing newcomers into the fold. (AP Photo/Jeff Roberson, File)