Me and my fiance are wanting to get into competitive play in Overwatch, potentially going into the OWL eventually. He has a history of controller gaming and I’ve done both controller and keyboard/mouse gaming, but we’re both interested in trying a hybrid approach using a mouse and this Griftr Solo Gamepad for the left hand instead of a keyboard:
https://smile.amazon.com/dp/B01N6TZ3XG
Would this be disallowed by OWL rules, or any other major Overwatch competition?