As Notre Dame prepares for its season opener against Texas A&M, Riley Leonard has inked one of his most lucrative NIL deals to date. The Fighting Irish quarterback has signed a season-long partnership with Rhoback. Full terms of the deal were not released, On3 has learned Leonard’s agreement with the activewear brand is worth up to $100,000. He’s repped by QB Reps. The apparel company has emerged as a major spender in the NIL Era. The former Duke transfer joins a growing list of ambassadors, including Clemson’s Cade Klubnik, Alabama’s Jalen Milroeand Penn State’s Nick Singleton. Texas quarterb…