Sabres assign Luukkonen to RochesterSource: Sabres.com ‘Over the summer, NHL.com ranked him No. 2 on their list of the organization’s top prospects.’ Related posts: Sabres Should be Sellers Ruff’s Refuge Eichel ranked 42nd in NHL Network’s ‘Top-50 Players Right Now’ list Sabres select center Casey Mittelstadt, Minnesota high school’s ‘Mr. Hockey’ All Swedish, No Finnish