On Sunday in the Davis Cup final, Argentina's Federico Delbonis became a hero by beating Ivo Karlovic 6-3, 6-4, 6-2 in the deciding fifth rubber against Croatia.

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Earlier in the day, Juan Martin del Potro pulled off some heroics of his own, coming back from two sets down to beat Marin Cilic, 6-7 (4), 2-6, 7-5, 6-4, 6-3.

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The 28-year-old Del Potro had never previously come back from a two-set deficit to win a match.

It was Argentina's first-ever Davis Cup title win, and the fans, and players, were more than a little thrilled.

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Croatia was seeking its second Davis Cup title in history, while Argentina was playing in its fifth final.