Just to clear this up, this is NOT a list ranking the Greatness of the actual Wrestlers in general, but ONLY about how great they were as NWA World Champions during their title reigns.
Here are the 10 NWA Champions with the greatest reigns (not ranked by length):
10. Ricky “The Dragon” Steamboat
Ricky Steamboat won the NWA World Heavyweight Championship once, when he defeated Ric Flair at the NWA Chi-Town Rumble 1989 PPV.
He defended the title successfully against Terry Funk & Ric Flair, before losing it back to Flair at NWA WrestleWar 1989.
9. “The American Dream” Dusty Rhodes
Dusty Rhodes is a 3 time NWA World Heavyweight Champion, after winning the title in 1979, 1981 and 1986.
He defeated “Handsome” Harley Race at his first two title wins and “The Nature Boy” Ric Flair at his last one.
Rest In Peace Dusty Rhodes
October 12, 1945 – June 11, 2015
8. Gene Kiniski
Gene Kiniski won the NWA World Heavyweight Championship on one ocassion, when he defeated the great Lou Thesz in 1966.
He would lose the belt to Dory Funk Jr. 3 years later in 1969.
Rest In Peace Gene Kiniski
November 23, 1928 – April 14, 2010