The first high-profile matchup of the Mark Pope era ended with euphoria for the Big Blue Nation. There were several points on Tuesday night in Atlanta when it felt like Kentucky was on the verge of being blown out by the No. 6 Duke Blue Devils. But this scrappy group of Wildcats never wavered, fighting the full 40 minutes and ultimately running Duke’s talented freshmen into the ground. Thanks to a couple of clutch free throws by Otega Oweh and lockdown defense down the stretch on Duke’s projected No. 1 pick Cooper Flagg, No. 19 Kentucky came out with the 77-72 win in the Champions Classic. UK …