Adelaide (Australia), Dec 09 (ANI): Australian cricketer Nathan Lyon on Sunday shared his views on Indian skipper Virat Kohli. He said that he has enormous respect for Kohli and competing against him is one of the best challenges. "Mr. Kohli is one of the guys who are at top on the game number one in the world. I have so much respect for him. Competing against him is one of the best challenges."