Mack Scride (マック・スクライド, Makku Sukuraido) is the coach of Unicorn.
Mack has fair skin and amber hair which is tied in a ponytail. He wears black aviator sunglasses and he wears a red bandanna around his head. He is shirtless but wears a black jacket, coupled with dark blue jeans. He wears fingerless gloves and brown cowboy boots.
He first appeared in episode 98, watching his team play against Inazuma Japan. In the next episode, it was shown that he knew about Ichinose's condition and took him off the field in the second half of the match.