Argentina coach Diego Maradona has claimed Spain's victory over neighbours Portugal in the last 16 of World Cup 2010 was down to a "horrible" performance by Argentine referee Hector Baldassi.
Maradona has comfortably eased his nation into the quarter-finals of the competition after topping Group B and then beating Mexico 3-1 in the knockout stages.
However, the fiery South American confessed that not all Argentinians are performing well in South Africa, blasting Baldassi's decision making and also suggested Spain's winning goal from David Villa was clearly offside, more blatant than the decision for Carlos Tevez's strike against Mexico.
"They claim that [Carlos] Tevez was offside, but the [David] Villa's was the biggest offside in this World Cup. The referee was wrong but the linesman was Andrea Bocelli," Maradona told a press conference.
"[Hector] Baldassi didn't let Portugal reach Spain's penalty box, every 50-50 decision went in favour of Spain. I'm friends with Baldassi but I felt it was horrible refereeing.
"He didn't give Portugal two or three fouls and all that adds up as Spain get the ball and punishes you."
Argentina now face Germany on Sunday afternoon as they attempt to earn a semi-final spot, where they could meet Spain if the European Champions eliminate Paraguay.
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