Udonis Haslem is going the Tom Brady route in retirement -- the former Miami Heat hooper just became the owner of his own sports team ... the World Jai-Alai League's Rebote Renegades.
The three-time NBA champ -- who officially walked away from his basketball after 20 seasons last month -- announced his investment in the popular sport on Monday ... saying, "New chapter means a new venture as a @jaialaileague team owner ud83eudd1d."
Of course, the wall ball sport is seeing a similar rise in popularity as pickleball .