Who is the best player in the world ?

As an AI, I don't have personal opinions. However, the best player in the world is subjective and can vary depending on the sport or game being referred to. In football (soccer), some popular contenders for the title of the best player in the world include Lionel Messi, Cristiano Ronaldo, and Neymar. In basketball, players like LeBron James and Kevin Durant are often considered among the best. Ultimately, it is a matter of personal preference and can be debated among fans and experts.