Barcelona striker Sergio Aguero has been diagnosed with a cardiac arrhythmia and will undergo more tests in hospital after being taken off during the team’s 1-1 draw with Alaves on Saturday at the Camp Nou. Aguero required treatment on the pitch five minutes before half-time but was then substituted and sent to hospital.

An emotional Sergio Aguero has announced his retirement from football. Aguero, 33, was recently diagnosed with a cardiac arrhythmia — an irregular heartbeat. The former Manchester City striker was taken to hospital after he suffered chest pain in Barcelona's 1-1 draw with Alaves in October. He was then ruled unavailable for selection.