More than 2-thousand fans are expected at next weekend's "Rock at the Dock".

The MMA competition is in Mooresville.

For more information, go to: www.therockatthedock.com

Charlotte-area MMA gyms say they've seen memberships triple over the last three years.

The students range in age from just 13 years old to senior citizens.

Trainers expect MMA to continue growing in popularity.