Gregory Jack Biffle, nicknamed "the Biff", is an American semi-retired professional stock car racing driver.
Biffle at Sonoma Raceway in 2023
Biffle ahead of Matt Crafton at Texas in 2019.
2008 Cup racecar
Biffle competes in the 2013 STP Gas Booster 500
Jack Roush is the founder, CEO, and co-owner of Roush Fenway Keselowski Racing, a NASCAR team headquartered in Concord, North Carolina, and is chairman of Roush Enterprises.
Roush in 2018
Klaus Ludwig drove the Roush-Zakspeed Ford Mustang Turbo during the 1981 and 1982 Camel GT race seasons.
Roush at the Milwaukee Mile in 2009
A Roush-engineered Ford Mustang Probe IMSA GTP car.