"I haven't seen a professional player come out of New York in over 20 years since my brother Patrick came out. Blake spent a few years in Harlem, but he moved to Connecticut when he was a kid"

John McEnroe is referring to his brother, Patrick McEnroe, who was a professional tennis player from New York. He is stating that it has been over 20 years given that an expert player has come out of New York, which Blake, another professional gamer, relocated to Connecticut when he was a kid. This could be interpreted as a sign of the decline of tennis in New York, as there has actually not been a professional player from the area in over twenty years. It might likewise be translated as a sign of the increasing difficulty of making it as an expert player in New York, as Blake needed to move away to Connecticut in order to pursue his profession.