So, how bad is Bill Simmons' proxy betting mishap? We asked legal experts what could happen.

Spotify executive Bill Simmons said on his podcast that he was proxy betting. Daniel Boczarski/Getty Images for Spotify; Joe Murphy/NBAE via Getty Images Podcaster Bill Simmons caused a stir in the sports media world by saying he bet through a proxy. Sportsbooks like FanDuel prohibit customers…