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1
- Fedor Emelianenko
- "The Last Emperor"
- 40-7-0, 1 NC
-
You cannot be callled the greatest if you did not fight the best
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2
- Paige VanZant
- "12 Gauge"
- 8-5-0
-
Just because of her modelling career?
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3
- Diego Sanchez
- "Nightmare"
- 30-14-0
-
Just an Ultimate Fighter winner
-
4
- Brock Lesnar
- 5-3-0, 1 NC
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5
- Michael Bisping
- "The Count"
- 30-9-0
-
The weakest champion?
-
6
- Bas Rutten
- "El Guapo"
- 28-4-1
-
Undeserving of UFC Hall of Fame
-
7
- Conor McGregor
- "The Notorious"
- 22-6-0
-
... No comment ...
-
8
- Nick Diaz
- 26-10-0, 2 NC
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9
- Nate Diaz
- 21-13-0
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10
- Doo Ho Choi
- "The Korean Superboy"
- 14-4-1
-
He lost to Swanson... Let me just put it there