Thick Skin. Resistance to all non magical damage

Intimidating. Adv. to intimidate checks

(4-6)Push Punch. Dc 15 Str save or be pushed back 15ft and knocked prone. If the target hits an ostacle before 15ft it takes 1d6 bludgeoning damage

 Punch. Melee Weapon Attack: +5 to hit, reach 5 ft., 1 target. Hit: 7(1d8 + 3) bludgeoning damage. 

Headbutt. MeleeWeaponAttack:+5 to hit,reach5ft 1 target      Hit:7(1d8+3) bludgeoning damage. Dc 15 Con save or be stunned until end of wrestlers next turn

(4-6)Choking grapple. MeleeWeaponAttack: +5 to hit, reach5ft.,1 target. Target is Restrained and takes 1d8 bludgeoning damage at the start of its turns Escape dc 15 str or dex save

Intimidating Presence. dc 15 wis save or get frightened.

Counter attack. When a melee attack hits the wrestler. He can make a headbutt attack as a reaction.