Ben Simmons said he's the 'best defender in the NBA' and backed it up by shutting down Luka Doncic | CBS Sports Headlines Ben Simmons said he's the 'best defender in the NBA' and backed it up by shutting down Luka Doncic Doncic finished with just 19 points and seven … Continue reading Ben Simmons said he's the 'best defender in the NBA' and backed it up by shutting down Luka Doncic