You can't blame him because he's undersized for a tennis player. The big 4 are bigger, stronger, and have weapons. He's a workaholics, but nothing he can do when he gets overpowered. And he knows he's overmatched.
Roger is number one - 17 slams; 302 weeks #1, 6 WTF; 5 years end #1; 24 slam finals;4 slam finals back-to-back year; Player of the decade