Magic Johnson just joined the 10-figure club -- and he's in the prestigious company as only one of a few athletes to reach the achievement ... so says Forbes, anyway.
The famed magazine -- which prides itself on keeping tabs on stars' fortunes -- says their new tally on the Laker great has now made him an official billionaire ... and he's got change to spare with the title. According to them, Earvin's estimated net worth is around $1.