Mixed Martial Arts has undoubtedly become the world's fastest growing sport over the past decade and shows no signs of slowing down.
Organizations such as UFC, Strikeforce and Bellator have catapulted MMA into a league of their own.
A substantial amount of MMA's growth is credited to the world class athletes who take part in fighting for the sport.
And, while these fighters have unarguably brought the sport to a whole new level, it's the mixed martial arts gyms in which these fighters have grown to be great in.
It's the world-class gyms that have allowed fighters to become world champions and legends in their respected organizations.
The following slides display the top 10 gyms in MMA today.
Let's take a look.