Peru striker Paolo Guerrero has claimed that Carlos Zambrano's sending-off against Chile in the Copa America semi-final changed the game.
Zambrano was given his marching orders 20 minutes into the clash following a high tackle, and Chile went on to win 2-1 thanks to an Eduardo Vargas double.
After the match, Guerrero told reporters: "I think Zambrano's expulsion was a bit tough. I don't want to complain about the refereeing but there were a lot of unexpected decisions. If it had been 11 against 11 it would have been a different story."
Hosts Chile will face either Argentina or Paraguay in the final.
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