In a large bowl, mix soy sauce, Worcestershire sauce, liquid smoke, brown sugar, salt, black pepper, meat tenderizer, garlic powder, onion powder, and paprika until well combined.
¼ cup low-sodium soy sauce, 2 tablespoons Worcestershire sauce, 2 tablespoons liquid smoke, 2 tablespoons brown sugar, 2 teaspoons salt, 1 teaspoon ground black pepper, 1 teaspoon meat tenderizer, 1 teaspoon garlic powder, 1 teaspoon onion powder, 1 teaspoon ground paprika