Frank Mir tops all heavyweights with 18 UFC appearances over the past decade. The big man with the second-most Octagon performances? Believe it or not, the distinction belongs to Mr. Cheick Kongo. The striking specialist has been under the Zuffa umbrella longer than world champ Cain Velasquez, longer than No. 1 contender Junior dos Santos, and longer than Shane Carwin, Mirko Cro Cop and Antonio Rodrigo “Minotauro” Noguiera, among others. The sculpted Frenchman battles former NFL player Matt…