GSP retired with the most wins in UFC history, the most wins in UFC title fights, a better win % than both Andy & Fedor, almost as many top 5 wins as both of them combined & avenged all losses.......
Probably number 3. 1. Silva 2. Fedor 3. GSP But honestly, IMO, he and Fedor could be interchangeable in my book.
Mehh, losing in his Prime really hurts him. Fedor GOAT but GSP got close, maybe if he didn't lose to Serra but since he lost to Hughes and Serra that bumped him down imo. Still had a tough schedule.
gsp surpassed silva imo. also was more well rounded. although i think gsp is much less physically talented than both silva and fedor.