Anderson’s prime consisted of a (UFC record) 17 fight win streak, 15 finishes (13 within 2 rounds), 10 title defenses, and 3 LHW KOs.
GSP’s prime consisted of 7 straight decisions (8/9 decisions) and tapping to strikes to a LW journeyman.
The difference is drinkability.
Anderson was confirmed to be greater than GSP by the people that matter, their peers. And it wasn’t close.
http://forums.sherdog.com/threads/your-fighter´s-goat.3730621/#post-139555015
Finishes > Decisions
Anderson > GSP
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