Foreman
After the Bonavena rematch, he would face George Foreman, in a fight that was nationally televised in the United States, on February 16, 1970, once again at the Madison Square Garden. Although Foreman held an aura as a knockout artist at that period, Peralta went ten full rounds with the future two time world Heavyweight champion but lost a unanimous decision to Foreman. But Peralta won the crowds admiration for a gutsy good performance. He used his boxing skill and mobility to show Foreman was open to fast well placed counters and tended to somewhat unravel in the later part of matches. It's thought Ali studied this among other Foreman matches in his preparation the legendary 'Rumble in the Jungle' victory.
Peralta's next bout came when he beat future world Light Heavyweight title challenger Piero del Papa, by a fifth round knockout on June 6 at Montevideo.
His next bout marked his European debut, when he defeated Herbert Wick, exactly sixteen days after the fight with del Papa, by a second round knockout in Barcelona, Spain. Peralta had three consecutive bouts in Spain, winning each of by knockout.
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