Gervonta “Tank” Davis (30-0, 28 KOs), the reigning pay-per-view monarch of boxing, returns to Brooklyn’s Barclays Center on Saturday, March 1, to defend his WBA lightweight title against the determined Lamont Roach (25-1-1). This showdown is more than just a typical fight—it’s an intricate $50M revenue play that fuses knockout mastery, savvy branding, and Prime Video’s ambitious challenge to…