One of the most iconic goalkeepers of our generation, Iker Casillas suffered a heart attack at the training facilities of his club, FC Porto on Wednesday. After collapsing on the field, the 37-year-old was rushed to hospital where he was later declared stable post treatment.

Following Casillas’ successful surgery, his club released a statement to inform the fans that the goalkeeper’s cardiac problem was resolved. “Casillas is now doing well, the cardiac problem has been resolved. Always together. Go Iker,” FC Porto wrote.

The former Real Madrid star later took to social media to thank the fans for their support. However, it is now being suggested by a well-known Cardiologist that the Spanish international may never play football again, Mirror reported.

Trying to locate the cause of such a serious health hazard, Casillas’ agent Carlos Cutropia said that there was no indication which suggested anything wrong prior to the incident.

Speaking to Spanish radio outlet COPE, he said: “Iker had an intense training session on Tuesday and another one on Wednesday morning.

“Halfway through Wednesday’s session he felt unwell and his chest, mouth and arms were hurting.

“We’re extremely grateful to Porto’s medical team who got Iker to the hospital so quickly.”

Juan Antonio Corbalan has suggested that the Real Madrid legend may not be able football again but will make recover to full fitness with time.

You cannot play football with a coronary stent, especially a goalkeeper,” he said, speaking to AS .

“Iker will return to living a normal life, but he can no longer be a professional athlete.”

Casillas is one of the most decorated active footballers. He captained the Spanish side which lifted the World Cup in 2012 and also led Real Madrid to several Champions League titles before moving to Porto in July 2015.