8 Pairs of wrestlers who couldn't stand each other in real life

#6 Hardcore Holly and Matt Mercury

On one of the most controversial segments of all time, Hardcore Holly used legitimate strikes against Tough Enough Trainee Matt Cappotelli (who would later wrestle as Matt Mercury, and win the tag team titles with Johnny Nitro as MNM.)

The segment horrified many wrestling fans, who knew that the main point was NOT to legitimately injure your opponent. Holly's unprofessional attack was treated as no big deal by the other Tough Enough trainers, who said that Matt should have protected himself better.

Matt would go on to join the WWE in an official capacity--only to suffer a concussion at the hands of Holly. The WWE quickly dissolved their feud and made certain the two never shared a ring again.

Years later, Holly admits he was on 'a lot of drugs' during the Tough Enough segment, and offered his apologies to Matt Mercury, who accepted graciously.