After Brad Stevens led the Butler Bulldogs to consecutive NCAA Div. 1 Championship games, Danny Ainge knew he was something special. So special, in fact, the Boston Celtics president of basketball operations*referred to Stevens as the best coach in college basketball in 2010 to co-owner Steve Pagliuca, per Boston.com’s Nicole Yang. After the head coach spot became vacant after the 2013 season, Ainge, Pagliuca, along with assistant general manager Mike Zarren and team owner Wyc Grousbeck, went to Indiana to visit Stevens at his home. He told the four of them he loved Boston for its “extensive basketball history” and voiced confidence he could be a difference-maker for the team. There was, however,