Luke Campbell and John Joe Nevin scrapped through 21/2 remarkably even rounds, their British and Irish fans getting more uneasy with every blow.
And then Nevin walked into a big right hand from his British opponent.
Nevin ended up on his back.
Campbell ended up with a gold medal, largely on the strength of that one spectacular punch.
The British bantamweight fought back tears in the ring after the final verdict made him an Olympic champion. Campbell beat his rival 14-11 Saturday night, securing Britain's first gold in his weight division since 1908.
"I won. Can't believe it," Campbell said. "That's what was going through my mind. It's a day I've dreamed of for a long, long time."
Campbell's solemn, teary rendition of "God Save the Queen" in front of his adoring fans had little in common with the other four gold-medal celebrations at ExCel arena.
Ukrainian heavyweight Oleksandr Usyk put on a show that overshadowed even his 14-11 victory over Italy's Clemente Russo. The intimid...