Ralph Lee Sampson Jr. (born July 7, 1960) is an American former professional basketball player. He is a member of the Naismith Memorial Basketball Hall of Fame. A 7-foot-4-inch (2.24 m) phenom, three-time college national player of the year, and first overall selection in the 1983 NBA draft, Sampson brought heavy expectations with him to the National Basketball Association (NBA).
The NBA Rookie of the Year, Sampson averaged 20.7 points and 10.9 rebounds for his first three seasons with the Houston Rockets before injuries began to take their toll. Three knee surgeries later, after 12 seasons in professional basketball, he retired in 1995 as a four-time NBA All-Star and the NBA All-Star Game Most Valuable Player (MVP) in the 1985 NBA All-Star Game.