Serena Williams backs United States women's team in pay dispute Unknown 04:08 The United States women's football team have been compared to tennis "pioneers" by Serena Williams amid a reported fight for equal pay. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsNFL playoffs 2019: League to investigate reported laser flashed at Tom Brady vs. ChiefsBaseball Hall of Fame 2019: Five crazy stats from the newest Hall of Fame classNBA trade rumors: Teams have inquired about dealing for Knicks guards Tim Hardaway Jr., Courtney LeeMavericks fan who heckled Clippers' Patrick Beverley banned from arena for season, report saysBaseball Hall of Fame 2019: Mariano Rivera, Roy Halladay, Edgar Martinez, Mike Mussina voted inSuper Bowl 53: Patriots coach Bill Belichick says Rams’ Aaron Donald is 'pretty much unblockable'