Nadal has always been a HUGE draw for tennis fans. Djokovic not so much, always considered arrogant and needy. Nadal has always been absolutely explosive in his play. Djokovic is like watching paint dry, that said, I respect his decision on the COVID vaccine.
Sampras always seemed to take time off when he was not serving. He would just go for 1 break in a match and rely on his serve game to win matches.