The World No. 13, who did not drop a set en route to the title, was at his impressive best against the Spaniard on Sunday.
The 34-year-old, who has undergone two right hip surgeries in the past three years, also spoke about the adjustments made to his service technique after Wimbledon.
The Serbian defeated Denis Shapovalov in three hard-fought sets, while Berrettini became the first Italian to reach the singles final at The Championships.
Hubert Hurkacz became the first player to inflict a bagel on Roger Federer in Wimbledon.
Hurkacz survived a second set tiebreak to beat Federer in straight sets, while Djokovic eased past Marton Fucsovics in Wimbledon quarterfinals.
The 24-year-old Polish player Hubert Hurkacz’s impressive Miami run culminated with the Miami Open title victory
On the back of an impressive week, the Italian teenager fell short in the Miami Open final to Hubert Hurkacz
The Pole beat 19-year-old Italian Jannik Sinner in the final after going through the likes of Tsitipas and Rublev in earlier rounds.
Jannik Sinner came back from a set down to beat seventh seed Roberto Bautista Agut in the semi-finals of the Miami Open.
The Pole Hubert Hurkacz came from a set down to stun the Greek favourite, Stefanos Tsitsipas, in Miami Open