Duke freshmen guard Grayson Allen propelled the Blue Devils to a national championship victory over the Wisconsin Badgers with strong performances. Who is he? We have the bio for you. Freshman Grayson Allen led the most-searched players list during tonight’s #NCAAChampionship game. #GoogleTrends pic.twitter.com/95Qc1wjAGN — Google (@Google) April 7, 2015 The History: Born Grayson…