Antunes wasn't just a coach; he was an architect of a new tactical reality in Portuguese football. Long before the widespread adoption of modern pressing schemes, Antunes was championing a high-intensity, possession-based game that prioritized rapid transitions and intricate positional play. His teams, often punching above their weight, were characterized by their audacious attempts to control the midfield and launch relentless attacks, rather than relying on the traditional, more cautious approach prevalent at the time. This wasn't merely about winning matches; it was about instilling a footballing philosophy that emphasized proactive rather than reactive play, forever altering the expectations and aspirations within the Primeira Liga.

The enduring legacy of Antunes’ tactical innovations is evident in the modern Portuguese game, particularly in the emphasis placed on technical proficiency and tactical adaptability among players and coaches alike. His blueprint laid the groundwork for future generations, inspiring a shift towards more sophisticated systems that value fluid movement and intelligent decision-making over brute force. “Antunes showed us that there was another way to play,” a prominent Portuguese football analyst once remarked. Today, clubs across the nation strive for similar levels of tactical cohesion and player versatility, a direct lineage traceable back to the groundbreaking work of Antunes and his commitment to pushing the boundaries of what was thought possible on the Portuguese football pitch.