After a spectacular career as a Kentucky Wildcat, Kenny entered the 1986 NBA draft after his senior season. The New York Knicks selected Walker with the 5th overall pick. Kenny spent five seasons playing for the Knicks.
The most memorable moment of Walker's career with the Knicks came on February 6, 1989. Kenny Walker entered the NBA's Slam Dunk Competition and came into the contest as a relatively unknown dunking star, outside of Kentucky. Competing just a few days after the death of his father, Walker stunned the sports world with his stylish dunks and took home the NBA Slam Dunk Championship.
After a few seasons playing overseas, Walker would finish his NBA career with two seasons playing for the Washington Bullets.