NEW YORK, Sept. 18, 2008 Ė Michael Beasley of the Miami Heat has been fined $50,000 for his involvement in an incident at the league's Rookie Transition Program earlier this month, and for his initial failure to cooperate with a league investigation of the matter, the NBA announced Thursday. Beasley was involved in the same incident for which Miamiís Mario Chalmers and Memphisí Darrell Arthur were previously fined.