Who is the best NBA player?
Depends on what you mean by best
Stephen Curry is the NBA’s current 2015 NBA MVP
Lebron James is widely regarded as the best player currently playing. Lebron has the most MVP trophies with 4 of any active player.
Michael Jordan is usually the person that is said to be the greatest basketball player of all time.
Also see for greatest basketball player of all time Kareem Abdul Jabbar, Magic Johnson, Larry Bird, Oscar Robertson they all have arguments among others.