Fenway Sports Group Announces Significant Investment by RedBird Capital Partners; LeBron James, Maverick Carter Join FSG Ownership BOSTON, April 1, 2021-- Fenway Sports Group (FSG), a global sports, marketing, media, entertainment, and real estate platform, today announced a significant investment into the company by RedBird Capital Partners (RedBird). The deal is part of an ongoing strategic alliance between the two companies that will focus on the active pursuit of growth opportunities for FSG.