Tennis legends John Isner and Sam Querrey debated Carlos Alcaraz and Jannik Sinner's chances of achieving a Career Grand Slam first.
Alcaraz's recent US Open victory puts him one title away, while Sinner needs to conquer the French Open.
Isner and Querrey both favor Alcaraz, highlighting his strong performance on hard courts and his upcoming opportunity at the Australian Open.
Their intense rivalry and exceptional talent are reminiscent of tennis greats, captivating fans worldwide with thrilling matches.
