Marcelo best skill in the world best deffender.

If you are referring to Marcelo Vieira, the Brazilian professional footballer, his best skills include:

1. Dribbling and Ball Control: Marcelo is known for his excellent dribbling skills and close ball control, allowing him to take on defenders and create space on the flanks.

2. Crossing and Passing: He has a precise crossing ability, which has been a key element of his game, providing many assists to his teammates. His passing range, both short and long, is also impressive.

3. Attacking Prowess: Marcelo is often praised for his attacking mindset and ability to join the attack from the left-back position. He has scored numerous goals by cutting inside and shooting with his right foot.

4. Technical Ability: Marcelo possesses great technical skills, including first touch, tricks, and flicks, which make him a dynamic and unpredictable player on the field.

5. Versatility and Work Rate: His versatility allows him to play in various positions, from left-back to left midfielder, and even as a winger. Marcelo’s work rate is also notable; he tirelessly runs up and down the pitch, contributing both defensively and offensively.

Marcelo's combination of defensive solidity, attacking flair, and technical prowess has made him one of the most renowned left-backs in modern football.