German newspaper Berliner Zeitung has published a report seeking to answer why an “unusually large number of professional and amateur soccer players have collapsed recently.” Headlined ‘Puzzling heart diseases in football,’ the report begins by highlighting the case of FC Barcelona’s Sergio Agüero, the 33-year-old striker who recently had to be withdrawn from a match after 41 minutes suffering from dizziness and breathing difficulties. The article lists a large number of recent cases of footballers who have had heart problems or collapsed on the field, in some cases leading to death.