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As the game moved past the hour mark, Denis had another chance for the hosts with a header that went straight into the keeper's arms.
Atalanta looked the more likely team to find the net and Gomez forced another save from Karnezis with his low strike.
However, their hopes of winning the match took a blow in the 76th minute when Carmona was shown a straight red card for a challenge on Allan.
Udinese almost made their opponents pay with five minutes left as Widmer headed just wide from Ivan Piris's cross, but that proved to be the last chance of the match as both teams were forced to settle for a point.body check tags ::