A member of the Iran national team staff was hospitalised Wednesday after the team was denied a goal after when review held up an offside call their World Cup match against Spain. The game against Iran will be interesting as Spain need to win this match if they want to keep their World Cup journey alive and a draw will be a troublesome result.
The thrilling 3-3 draw with Portugal in Sochi eased concerns that Julen Lopetegui's sudden departure would derail Spain's campaign and reports coming out of the camp indicate an upbeat mood under his makeshift replacement Fernando Hierro.
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Taremi's header sailed over harmlessly, however, leaving Spain to complete one of their tougher World Cup wins.
Spain are accustomed to dominating possession against sides content to soak up pressure, but Iran's deep 4-5-1 set-up in the first half afforded Spain only one shot on target.
But it was cruel on Iran and fortunate for Costa as the Atletico Madrid striker fired the ball against Ramin Rezaeian but it deflected back off the Spain player and into goal.
Saeid Ezatohahi thought he had scored an equaliser for Iran in the 64th minute netting from a corner but his goal was ruled out by the assistant referee, while the Video Assistant Referee (VAR) could not find anything to reverse the decision. "We're still alive and dreaming".
Queiroz's troops continued to threaten as the second half went on, with Mehdi Taremi heading over the crossbar at the far post on 81 minutes. For the Iranian players to play against Spain, we are winners because we learnt a lot.
"We tried to tell them to keep calm, keep fighting", Hierro said of his speech to the players at half-time, after which Spain produced the spell that brought Costa's victor.
"It [the Iran performance] deserved a little better in this match, but that's football".
Spain seemed rejuvenated after the interval, with Sergio Busquets unleashing a searing long-range strike that forced Beiranvand into a brilliant double save.
It appeared that Beiranvand exaggerated his pain after Costa stood on his foot.