The Heat and Trail Blazers are emerging as the biggest threats to land Giannis Antetokounmpo. The race for Milwaukee Bucks superstar Giannis Antetokounmpo is beginning to take shape, and two unexpected franchises appear to be separating themselves from the pack. According to NBA insider Marc Stein, the Miami Heat and Portland Trail Blazers have emerged as the most aggressive teams pursuing Antetokounmpo as speculation surrounding his future continues to intensify.