Mayfair shot a 67 and Martin had a 71 Saturday on the Panther Lake Course at Orange County National. Both were 16 under through five rounds of the tournament, one shot ahead of Bio Him.
The top 25 will earn PGA Tour cards for 2011 on Monday. The next 50 will get cards on the Nationwide Tour. The difference between Mayfair and the final spot was seven shots.
Mayfair has posted all five rounds in the 60s. Martin’s 71 is his only round in the 70s.
Briny Baird, who lost his card for next year after finishing No. 126 on the money list, shot a 71. He is five shots off the cutoff.