The opening of Highmark Stadium marks more than a new home for the Bills; it signals a civic inflection point. With the Sabres showing renewed playoff contention and growing regional appetite for live sports experiences, Western New York stands at the edge of a potential transformation from single-franchise town to multi-sport destination. This report explores four scenarios for how Buffalo could leverage stadium-era momentum to attract, develop, and sustain professional and elite sports across the region, and what economic, cultural, and infrastructure conditions will determine whether that momentum compounds or stalls.