DURHAM, N.C.—Wendell Moore Jr. looked comfortable and confident as a veteran captain in Duke’s home opener. It certainly helped having the ninth-ranked Blue Devils’ famously rowdy fans packed in again for the first time in more than 20 months. The junior forward posted only the third triple-double of the Mike Krzyzewski era to help Duke beat Army 82–56 in Friday night’s home opener. Moore had 19 points, 10 rebounds, and 10 assists to join big man Shelden Williams (2006) and forward RJ Barrett (2019) as the only players to post a triple-double in Coach K’s 42 seasons in Durham. “He’s our leader,” Krzyzewski said of Moore. “He’ll do anything that we need to have done.” Moore finished with just one turnover in nearly 35 minutes. “It all starts with my teammates,” said Moore said, who needed IV fluids due to cramping after Tuesday’s season-opening win against No. 10 Kentucky in …