Question: The 2004–05 NBA season season was the 17th season for the Miami Heat in the National Basketball Association, it signed which free agent, a retired American basketball player whose Hall of Fame career for the Duke Blue Devils is widely regarded as one of the best in National Collegiate Athletic Association (NCAA) history?
Sentence (from "Christian Laettner"): He was the star player on the back-to-back National Championship teams of 1991 and 1992.
Relevant evidence: No