SMU four-star commit and 2025 Duncanville (Tex.) quarterback Keelon Russell continues his ascent into a national name this offseason. On Thursday, he landed an invitation from On3 to the On3 Elite Series at the end of May. For high school prospects, it’s a one-of-a-kind event for athletes to attend. Russell will join a star-studded list of prospects that includes his teammate, Five Star Plus+ wide receiver Dakorien Moore. On3, the market leader in the Name, Image and Likeness (NIL) space, will once again host the On3 Elite Series, an invitation-only event for elite 2025 football prospects that…