"As usual, the American race attracted a large field of entrants, despite it being the last race of the year and both Championships having long been wrapped up. It seemed nearly every spare works F1 car and quite a few independents, as well, were present to try for a share of the $267,000 in prize money, easily the richest purse in F1. Unfortunately, the two most popular American drivers, Mario Andretti and Mark Donohue, who was fresh from a stunning third place finish in Canada in his Formula One debut, were committed to drive on Sunday in a USAC race which had incomprehensibly been rescheduled to the GP weekend after a previous rainout. The two drivers qualified, Andretti in a Ferrari and Donohue in a McLaren shared with David Hobbs, hoping for more rain in New Jersey and the chance to return for the race on Sunday."