John Harding Lucas II is an American professional basketball coach and former player who most recently served as an assistant coach for the Houston Rockets of the National Basketball Association (NBA). He played basketball and tennis at the University of Maryland, College Park and was an All-American in both.

The Houston Rockets are an American professional basketball team based in Houston. The Rockets compete in the National Basketball Association (NBA) as a member of the Southwest Division of the Western Conference. The team plays its home games at the Toyota Center, located in Downtown Houston. Throughout its history, Houston has won two NBA championships and four Western Conference titles. It was established in 1967 as the San Diego Rockets, an expansion team originally based in San Diego. In 1971, the Rockets relocated to Houston.