Early reports specualte for heart problems like Aguero...
Plus he was holding his chest where the heart and showing where his pain is at.
Szczesny left the pitch in tears vs Sporting and was replaced by Perin in the 44th minute.
@dazn_it
is reporting that he felt a “pain in his chest” The stadium applauded him off the pitch.
Szczesny left the field in tears, still panting and clutching his chest. Test to diagnose the injury are underway.