Valiant Management Group and Champions Circle, an official NIL partner of Michigan Wolverines athletics, announced Friday an expansion of its partnership with Wolverine Boots, coming up with a “Maize and Blue Collar” footwear and apparel collection. A portion of the revenue from each item sold will benefit Champions Circle and go toward NIL efforts for student-athletes in Ann Arbor. The launch coincides with the football spring game, set for Saturday at noon ET at the Big House. The boots, available in both navy blue and tan, retail for $169.95 and can be found at wolverine.com/bluecollar as p…