Retired tennis great Serena Williams and her husband, Alexis Ohanian, have submitted a bid as potential investors to the NFL's planned pro flag football men's and women's leagues, Front Office Sports reported.

Tennis legend Serena Williams and her husband, Reddit co-founder Alexis Ohanian, have reportedly "submitted a bid to the [NFL's] request for proposal seeking investors" for its planned pro flag football leagues, an NFL spokesperson told Michael McCarthy of Front Office Sports.

Via Michael McCarthy of FrontOfficeSports.com, tennis superstar Serena Williams and her husband, Reddit cofounder Alexis Ohanian, have submitted a bid in response to the league’s request for proposal. Ben Fischer of Sports Business Journal reports that, in all, 10 groups have responded.