Missouri's Michael Sam (52) runs onto the field along with their teammates before the start of an NCAA college football game against Georgia in Columbia, Mo. The NFL draft will conclude with Rounds 4 through 7 on Saturday, and when and if Sam is selected is sure to be the most significant development. The Southeastern Conference defensive player of the year last season for Missouri came out as gay in media interviews this year. (AP Photo/Jeff Roberson)

Missouri defensive lineman Michael Sam takes up his position during the first half of an NCAA college football game against Texas A&M in Columbia, Mo. The NFL draft will conclude with Rounds 4 through 7 on Saturday, and when and if Sam is selected is sure to be the most significant development. The Southeastern Conference defensive player of the year last season for Missouri came out as gay in media interviews this year. (AP Photo/Jeff Roberson)

Missouri defensive lineman Michael Sam (52) pushes past a block by Mississippi offensive linesman Pierce Burton (71) in the second half of a NCAA college football game Saturday, Nov. 23, 2013, in Oxford, Miss. No. 8 Missouri won 24-10. (AP Photo/Rogelio V. Solis)

Missouri's Michael Sam (52) sings the school song after Missouri defeated Indiana, 45-28, in an NCAA college football game Saturday, Sept. 21, 2013, in Bloomington, Ind. (AP Photo/Darron Cummings)

Missouri head coach Gary Pinkel, right, and players, including offensive linesman Robert Luce (56) and defensive lineman Michael Sam (52), prepare to take the field for the Cotton Bowl NCAA college football game against Oklahoma State, in Arlington, Texas. Michael Sam hopes his ability is all that matters, not his sexual orientation. Missouri's All-America defensive end came out to the entire country Sunday night, Feb. 9, 2014, and could become the first openly gay player in America's most popular sport. (AP Photo/Tim Sharp)

Missouri's All-American defensive end Michael Sam claps during the Cotton Bowl trophy presentation at halftime of an NCAA college basketball game between Missouri and Tennessee, Saturday, Feb. 15, 2014, in Columbia, Mo. Sam came out to the entire country Sunday, Feb. 9, and could become the first openly gay player in the NFL. (AP Photo/L.G. Patterson)

Missouri senior defensive lineman Michael Sam speaks to the media during an NCAA college football news conference in Irving, Texas. Sam says he is gay, and he could become the first openly homosexual player in the NFL. (AP Photo/Brandon Wade)

Missouri outside linebacker Michael Sam (55) of the North team runs drills during the North team practice for the 2014 Senior Bowl at Ladd Peebles Stadium in Mobile, Alabama on January 21, 2014. (Johnny Vy/NFL)

University of Missouri defensive end Michael Sam runs through drills at the 2014 NFL Scouting Combine at Lucas Oil Stadium in Indianapolis, on February 24, 2014. (Ben Liebenberg/NFL)

University of Missouri defensive end Michael Sam runs drills at the 2014 NFL Scouting Combine at Lucas Oil Stadium in Indianapolis, on February 24, 2014. (Ben Liebenberg/NFL)

Missouri defensive end Michael Sam speaks to the media at the 2014 NFL Scouting Combine at Lucas Oil Stadium in Indianapolis, on February 22, 2014. (/Ben Liebenberg/NFL)

Missouri defensive end Michael Sam speaks to the media at the 2014 NFL Scouting Combine at Lucas Oil Stadium in Indianapolis, on February 22, 2014. (Ben Liebenberg/NFL)

St. Louis Rams defensive end Michael Sam runs as part of a special teams drill during training camp at the NFL football team's practice facility on Friday, July 25, 2014, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams rookie defensive end Michael Sam takes part in a drill during the team's NFL football rookie camp Friday, May 16, 2014, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams defensive end Michael Sam participates in a drill during NFL football training camp at Edward Jones Dome Saturday, Aug. 2, 2014, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams defensive end Michael Sam (96) defends New Orleans Saints tight end Benjamin Watson, left, during the first quarter of a preseason NFL football game Friday, Aug. 8, 2014, in St. Louis. (AP Photo/Scott Kane)

St. Louis Rams defensive end Michael Sam (96) rush past Cleveland Browns tight end MarQueis Gray (47) during a preseason NFL football game Saturday, Aug. 23, 2014, in Cleveland. (Jeff Haynes/AP Images for Panini)

St. Louis Rams Michael Sam (96) leaps in the air as he takes the field during pre game introductions of a preseason NFL football game against the New Orleans Saints on Aug. 8, 2014 in St. Louis. The Saints won the game, 26-24. (AP Photo/G. Newman Lowrance)

St. Louis Rams defensive end Michael Sam (96) sits on the sidelines during the first half of an NFL preseason football game against the Miami Dolphins, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Dallas Cowboys practice squad player defensive end Michael Sam (46) runs a drill during team practice Wednesday, Sept. 3, 2014, in Irving, Texas. (AP Photo/LM Otero)

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

Dallas Cowboys practice squad player defensive end Michael Sam (46) runs a drill during team practice Wednesday, Sept. 3, 2014, in Irving, Texas. (AP Photo/LM Otero)

Dallas Cowboys practice squad player defensive end Michael Sam (46) warms up on the field during team practice Wednesday, Sept. 3, 2014, in Irving, Texas. (AP Photo/LM Otero)

Dallas Cowboys punter Chris Jones (6) is congratulated by practice squad teammate Michael Sam after overtime in an NFL football game against the Houston Texans, Sunday, Oct. 5, 2014, in Arlington, Texas. Dallas won 20-17. (AP Photo/Brandon Wade)

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