The Wall Street Journalhad the first report on the negotiations.
It has helped bankroll Skydance Media, the YES connection and Matt Damon and Ben Afflecks Artists Equity.
RedBird also teamed with Dwayne Johnson and Dany Garcia to buy the XFL out of bankruptcy.
Former NBCUniversal Jeff ShellKevin Dietsch/Getty Images
The alternative pro football league recently announced a merger with the USFL.
The recently launched firm is a joint venture between the private equity firm and Abu Dhabi-based International Media Investments.
