Duke’s sophomore guard is stepping up in a big way One of the nicer surprises of this young basketball season is the play of sophomore Jaylen Blakes. He’s been an absolute rock on defense and on offense, he has learned a lot of discretion. He’s seeking out smarter shots than he did last season and his defense at times is just stunning. When Jon Scheyer uses him and Jeremy Roach at the same time Duke’s pressure is going to be unreal. In the article, the Fayetteville Observer’s David Thompson talks about Blakes’ high school coach Joe Mantegna and how he…