Hajime no Ippo
with competent referees.
How would the series major fights go, if the refs weren't blind, deaf, dumb npc's? (By that, I mean they just stand there like those giant tree guardian non player characters in WoW, as you're getting mauled by a mob)
Mashiba vs Miyata
Ippo vs Sawamura
Sawamura vs Mashiba
Takamura vs Hawk
Takamura vs Eagle
Or add your own.