New Orleans Saints linebacker Jonathan Vilma said in a recent interview with NFL Network that he did not want a gay teammate.
"I think he would not be accepted as much as we think he would be accepted," Vilma said.
The NFL has a policy prohibiting discrimination based on sexual orientation.
A few former pro players declared they were gay after they retired, including Dave Kopay, who played in the NFL in the 1970s.
Sam plans to attend the scouting combine with the hope of being drafted.
"I'm not naive," Sam said in the Times interview. "I know this is a huge deal and I know how important this is. But my role as of right now is to train for the combine and play in the NFL."