 Leonard clinched the championship at the next to last race of the season, the Trenton 300 at Trenton International Speedway, with a third-place finish.In 1972, Leonard became part of a Super Team at Vel's Parnelli Jones with Unser and Mario Andretti.He would originally drive the #1 Samsonite PJ Colt-Offenhauser at the season-opening Jimmy Bryan 150 at Phoenix International Raceway.