Arthur James (A.J.) Guyton (born February 12, 1978 in Peoria, Illinois) is an American former professional basketball player that played college basketball for the Indiana University Hoosiers.

Guyton chose to play basketball for Indiana University Hoosiers under coach Bob Knight from 1996-2000. He was a four-year starter and appeared in every game while at Indiana. When he left, Guyton was Indiana's all-time leader in 3-point baskets (283) and fourth in all-time scoring (2,100). He also ranked eighth in all-time Indiana assists (403) and tenth in steals (128).

Guyton's first year saw him become only the second Hoosier freshman to collect 400 points, 100 steals and 100 assists. The only other Hoosier to pull that off is Isiah Thomas. Guyton made All-Big Ten Team his sophomore year and the Playboy pre-season All-American Team his last two seasons.

Guyton was rumored to be leaving Indiana following his junior year, but after Luke Recker departed the team one week after the season, Guyton announced he was staying. His senior year was a successful one in which he average 19.7 points per game. Guyton later recalled, "I remember it all like it was yesterday. Those are nights you live for. I felt back then I couldn't be guarded." In 2000 he was named Big Ten Co-MVP and that same year was selected to the first team 2000 All-American Team.

Anthony Joseph Foyt, Jr., or as he is universally known as in motorsports circles, A. J. Foyt (born January 16, 1935), is a retired American automobile racing driver. He raced in numerous genres of motorsports. His open wheel racing includes USAC Champ cars and midget cars. He raced stock cars in NASCAR and USAC. He won several major sports car racing events. He holds the all-time USAC career wins record with 159 victories, and the all-time American championship racing career wins record with 67.

He is the only driver to win the Indianapolis 500 (which he won four times), the Daytona 500, the 24 Hours of Daytona, and the 24 Hours of Le Mans. Foyt won the International Race of Champions all-star racing series in 1976 and 1977. Foyt's success has led to induction in numerous motorsports halls of fame.

Since his retirement from active racing, he has owned A. J. Foyt Enterprises, which has fielded teams in the CART, IRL, and NASCAR.

Foyt was born in Houston, Texas. He attended Pershing and Hamilton middle schools and Lamar and San Jacinto high schools, but he dropped out to become a mechanic.