Joe Johnson, a.k.a. "Iso Joe," is back in the NBA! After three years in Ice Cube's BIG3 basketball league, the 40-year-old vet returns on a 10-day contract with the Boston Celtics. "It's still surreal to me," he said. "[A]t my age, man, you just try to relish every moment, enjoy the process and live in the moment..."
