A look back at some of the best blue blood Final Fours


              Duke coach Mike Krzyzewski recognizes the crowd during a homecoming celebration for the national championship Duke basketball team at Cameron Indoor Stadium, April 7, 2015 in Durham, N.C. This year's Final Four is either unprecedented or pretty close. In one corner, North Carolina is making a record 21st appearance in the Final Four. Its semifinal opponent, Duke, is waiting with the sport's winningest coach. Mike Krzyzewski surpassed 1,200 victories during this postseason run. (AP Photo/Gerry Broome)
            
              FILE - North Carolina players celebrate with the trophy after the championship game against Gonzaga at the Final Four NCAA college basketball tournament, April 3, 2017, in Glendale, Ariz. This year's Final Four is either unprecedented or pretty close. North Carolina is making a record 21st appearance in the Final Four, Saturday, April 2, 2022. (AP Photo/David J. Phillip)
            
              FILE - In this April 4, 2016, file photo, Villanova players celebrate in the closing seconds of the NCAA Final Four tournament college basketball championship game, in Houston. This year's Final Four is either unprecedented or pretty close. Villanova doesn't have quite the storied history of the other three schools, but the Wildcats are trying for their third national title in seven years on Saturday, April 2, 2022. (AP Photo/Charlie Neibergall, FIle)
            
              Kansas head coach Bill Self smiles with Jalen Wilson during the second half of a college basketball game in the Elite 8 round of the NCAA tournament Sunday, March 27, 2022, in Chicago. Kansas won 76-50 to advance to the Final Four. (AP Photo/Nam Y. Huh)
            
              Duke head coach Mike Krzyzewski celebrates while cutting down the net after Duke defeated Arkansas in a college basketball game in the Elite 8 round of the NCAA men's tournament in San Francisco, Saturday, March 26, 2022. (AP Photo/Tony Avelar)
            
              Villanova forward Jermaine Samuels leaves the court with guard Justin Moore after their win against Houston during a college basketball game in the Elite Eight round of the NCAA tournament on Saturday, March 26, 2022, in San Antonio. (AP Photo/David J. Phillip)
A look back at some of the best blue blood Final Fours