U.S. Open 2018: Four tied atop leaderboard after Dustin Johnson collapses Unknown 00:44 Dustin Johnson collapsed early Saturday at Shinnecock Hills, falling into a four-way tie for the U.S. Open lead. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsChennai Open ATP Challenger: Yuki Bhambri labours through to semi-final; Jordan Thompson sails into last fourHighlights, ISL 2018, FC Goa vs Chennaiyin FC: Visitors move to 3rd position with winQatar Open: World No 2 Simona Halep shrugs off injury concerns to progress to quarter-finalFormer World No 1 Maria Sharapova, Madison Keys pull out of Dubai Duty Free Tennis ChampionshipsWinter Olympics 2018: WADA president Craig Reedie says anti-doping steps at Pyeongchang Games 'running well'FA Cup: Chelsea will rotate squad for Hull City clash with tough run of fixtures ahead, says Antonio Conte