Here’s why Adrien Broner blew up on Al Bernstein Unknown 01:03 Adrien Broner verbally attacking venerable commentator Al Bernstein left many in shock during Wednesday's press conference. Sporting News dug up some of Bernstein's old tweets, which may have drew Broner's ire. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsFIFA World Cup 2018: Neymar not at 100 percent, says Brazil coach Tite ahead of Switzerland clashFIFA World Cup 2018: Peru can't cry over spilt milk, must shift focus to France, says coach Ricardo GarecaMoscow taxi driver falls asleep at wheel, injures seven football fans near Red Square after losing control of carFIFA World Cup 2018: Luka Modric guides Croatia to comfortable victory over 'naive' Nigeria in opening Group D matchFIFA World Cup 2018: Neymar-led Brazil begin quest for redemption against Switzerland; Germany face Mexico in openerFIFA World Cup 2018: Lionel Messi fails to convert penalty as debutants Iceland share spoils with Argentina