According to mmaweekly new rankings Sean Sherk barley cracks the top 10. They rank him 10 which is total bullshit since throughout his career has been in the top 5 at welter weight and is the current champion in the ufc at 155. Sean would go through Prides light weights like a hot knife through butter.
MMA Weekly Rankings
LIGHTWEIGHT DIVISION (160 pounds and lower)
1 Lightweight Fighter in the World: Takanori Gomi
Vitor "Shaolin" Ribeiro
Norifumi "Kid" Yamamoto