Jason Charles Leffler, nicknamed "LEFturn", was an American professional open-wheel and stock car racing driver. Leffler began racing in the open-wheel ranks, competing in the 2000 Indianapolis 500 be
Leffler at the circuit Autódromo Hermanos Rodríguez in 2008
Kenneth Dale Irwin Jr. was an American stock car racing driver. He had driven in all three NASCAR national touring series, and had two total victories, both in the Craftsman Truck Series. Before that,
Jason Leffler
…moved up to the Winston Cup Series to become the driver of the No. 01 Cingular Wireless Dodge for Chip Ganassi Racing as the permanent replacement for Kenny Irwin Jr., who was killed in a practice crash while driving for the same team at New Hampshire in 2000. Leffler's car retained sponsorship from BellSouth through…