By Joseph Salvador He uses it as motivation every time he plays the Spurs. During an interview with Sports Illustrated’s Ashley Nicole Ross, Heat center Bam Adebayo opened up about the grudge he holds to this day against Spurs coach Gregg Popovich. Adebayo was cut from Team USA by Popovich before the team finished seventh in the 2019 World Cup. However, he was named to the 2020 Olympic squad that won gold in Tokyo. Adebayo was asked if he had any resentment or animosity for Popovich, who was still serving as Team USA’s coach when he won his first Olympic gold medal. “Definitely animosity, beca…