Giannis Antetokounmpo refuses to accept LeBron James' compliment ... the moment "Legamble," while others joked that James' hairline could jeopardize a potential endorsement deal with rival ...

Fans react to the news of LeBron James (right) facing Stephen A. Smith (left) in a boxing match. [Images courtesy: Getty, @kingjames on Instagram] The reports of a potential boxing matchup between ...