Rafa Nadal

[LP]

I think Agassi used a bigger racquet than Sampras, and Sampras has a comfortable lead in the h2h.

And Roddick I think also used a bigger racquet than Federer, and that h2h record is extremely one sided.

Federer is still losing matches and missing out on slams even with the new larger design.

The effect of racquet size is over stated, just like the effect of club head size in golf.

The benefits of oversize come at a cost, the larger sweetspot means less peak power, so if you are confident in your ability to hit the sweetspot you are far better off with a smaller sweetspot.