Question: What is the name of the retired American basketball player born in 1969, who had sold to him by Michael Heisley a 70% controlling stake in the Grizzlies?
Sentence (from "Michael Heisley"): Michael E. Heisley (March 13, 1937 – April 26, 2014) was an American businessman and former majority owner of the Memphis Grizzlies.
Relevant evidence: Yes