Mattress Mack vows to keep going after $9.5 million Super Bowl loss 3 min read NFL Mattress Mack vows to keep going after $9.5 million Super Bowl loss International News February 14, 2022 1:00 PM ET David Purdum Close ESPN Staff Writer Joined ESPN in 2014 Journalist covering gambling industry since 2008 David Bearman Close Sports...Continue Reading