Gene Tunney wins 1925 boxing match with Tommy Gibbons in New York City

In a gripping boxing match, Gene Tunney demonstrates remarkable resilience and strength. Despite being knocked down, he recovers and ultimately defeats his opponent, securing the heavyweight championship. This victory marks a significant upset against expert predictions.

How did Gene Tunney's performance change throughout the fight?

What does the phrase 'the last barrier between him and the coveted heavyweight championship had been battered down' imply about Tunney's achievement?