Purposely avoided fighting his opponent and stunk up the joint.
Threw jabs for 25 minutes to avoid any risk to himself.
Married a professional sex worker.
Tested positive for a banned substance.
Got unearned title shots by talking shit.
Cut weight to face smaller guys.
Had kids out of wedlock and then left them to be raised by their mother.
Got his ass beat and then complained about the opponent's style or the judge's decision.
Had a "twitter war".
Gave away his image rights for life.
Dyed his hair and got tattoos to be "EXTREME!1".
Tapped to strikes.
Caved to the will of any promoter, matchmaker, or figure.