324 Union St Suite A · Clarksville, TN 37040|Mon–Fri 4–8 PM · Sat 9–11 AM · Sun 1–2 PM
    931-391-3953
    Wildside Combat Sports Center
    Our Story

    About Wildside Combat Sports Center

    Wildside Combat Sports Center isn't just another gym. It's a center of excellence built on decades of professional combat experience, from local mats to the world's biggest stages like the UFC and Bellator.

    BJJ coach Clarksville TN Wildside — William Donnelly coaching jiu-jitsu
    Head Coach

    William Donnelly

    Owner and Head Coach

    With over 11 years of combat sports experience, Coach Will Donnelly is the driving force behind Wildside's daily operations and technical curriculum.

    As a Brown belt in American Jiu-Jitsu, Will brings a deep background in BJJ, kickboxing, MMA, and wrestling. He is dedicated to breaking down fundamentals weekly to make every student's jiu-jitsu training enriching and successful.

    11+
    Years Experience
    Brown
    Belt AJJ
    The Foundation

    Michael Merriman

    Founder and Senior Coach

    Michael Merriman is the architect of the Wildside program. With over 15 years as a coach and cornerman, Mike provides the lineage and credibility that anchors our gym.

    His resume is elite: training and cornering athletes in the UFC, M1 Global, Bellator, and Strikeforce. He has served as a USA Team coach at the WAKO Kickboxing World Championships and has coached across the globe—from Russia and Kazakhstan to China and Canada.

    Under his tutelage, athletes have consistently reached the pinnacle of combat sports, becoming national and world champions.

    UFC Cornerman
    WAKO Team Coach
    World Champion Coach
    MMA coach Clarksville TN Wildside — Michael Merriman in the corner during a fight
    Our Philosophy

    The Wildside Way

    Lineage

    Our techniques aren't guessed; they're proven on the world's biggest stages.

    Concepts

    We don't just show moves; we explain the 'why' so you can adapt and evolve.

    Community

    We treat our members like family, supporting each other on and off the mats.

    Excellence

    We strive for the highest standards in instruction, facility, and character.

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