Kids at school stuff each other in lockers but cats stuff each other in...
Never underestimate your opponent!
A living room fight ends swiftly without any winners.
Dude's forehead just opened up. He'll need a handful of stitches for that...
Only in Russia would you find some crazy tag team style MMA fighting. Looks...
This dog takes a few decent punches to the face from an angry cat.
First one to get up wins!
They call him captain hook.
This is what happens when engineers get bored.
This cat wants in that tiny box in the worst way and he finally gets in!