The Oprah Winfrey Network has announced plans to broadcast a documentary series on Michael Sam, as he battles to become the first openly gay man to compete in the NFL.

Sam was chosen in the seventh round of the NFL Draft on Saturday, with the St Louis Rams choosing him with the 249th overall pick.

Now 24-year-old Sam will take part in off-season practice, aiming to cement a place on his new team's roster before the season begins in September.

His journey will be detailed by the OWN, however there has been no announcement as to when the series will air.

Winfrey said in a statement: "We are honored that Michael is trusting us with his private journey in this moment that has not only made history, but will shape it forever.

"I am proud of the focus on authentic storytelling in our new documentary series format. The next real-life story we follow in 'The Untitled Michael Sam Project' promises to spark valuable, important discussion on life in America today. Acceptance and illumination start here."

Sam himself spoke about the upcoming programme, and stated that he is happy his story will be shared.

"Like every player out there working to make a team right now, my focus is on playing football to the very best of my ability," Sam said. "I am determined. And if seeing my story helps somebody else accept who they are and to go for their dreams too, that's great.

"I am thankful to Oprah for her support and excited to work together."

Since the Rams drafted Sam, his shirt sales in America are second only to Johnny Manziel's Cleveland Browns jersey's. Number one pick Jadeveon Clowney is behind Sam in third.