KING CARLOS? I'M SERIOUS

Aces high for Alcaraz as Mac says: He's better than big three at 21

- NEIL MCLEMAN

CARLOS ALCARAZ'S coach has warned the Spanish superstar has yet to reach his "full potential" after he won his third Grand Slam aged only 21 at the French Open.

And the smiling Wimbledon champion said he will "hopefully" equal the record of 24 Major titles held by Novak Djokovic. John McEnroe (top right) hailed Alcaraz's talent and said: "He's better than Federer, Nadal and Djokovic at 21."

He already has the all-round game to become the youngest man to win Grand Slam titles on three different surfaces.

But the scary prospect for the rest of the sport is that his coach Juan Carlos Ferrero has claimed the best is still to come.