Here comes DraftKings in play betting as Thursday night’s game between the Cleveland Browns and the New York Giants afforded fans first glimpses of Cleveland’s top-overall pick and Heisman Trophy winner Baker Mayfield as well as electric running back Saquon Barkley of the Giants. Played at MetLife Stadium in East Rutherford, New Jersey, the preseason match up was not about two first-round picks squaring off. Across the street from the stadium is FanDuel Sportsbook at the Meadowlands Racetrack, at which a number of bettors placed wagers for the game. And from their seats inside MetLife, fans opened up the DraftKings…