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- FILE PHOTO: FIFA President Sepp Blatter (2nd R) and South African President Jacob Zuma (R) hand the World Cup trophy to Spain's team captain Iker Casillas (C) during the award ceremony at Soccer City stadium in Johannesburg July 11, 2010. REUTERS/Michael Kooren/File Photo
- Soccer Football - Champions League - Group Stage - Group D - FC Porto v Galatasaray - Estadio do Dragao, Porto, Portugal - October 3, 2018 FC Porto's Iker Casillas REUTERS/Miguel Vidal
- Foto de archivo del portero español Iker Casillas realizando una atajada durante un duelo por la Liga de Campeones entre Porto y Schalke 04. 28 de noviembre de 2018. REUTERS/Miguel Vidal.
- Porto goalkeeper Iker Casillas gestures end of the Champions League quarterfinal, 2nd leg, soccer match between FC Porto and Liverpool at the Dragao stadium in Porto, Portugal, Wednesday, April 17, 2019. (AP Photo/Armando Franca)
- The 37-year-old is in hospital after falling ill during training.
- The 37-year-old is in hospital after falling ill during training.
- FC Porto goalkeeper Iker Casillas during the UEFA Champions League quarter final match between FC Porto and Liverpool FC at Estadio do Dragao on April 17, 2019 in Porto, Portugal(Photo by VI Images via Getty Images)
- Soccer Football - Champions League Round of 16 Second Leg - Liverpool vs FC Porto - Anfield, Liverpool, Britain - March 6, 2018 Porto's Iker Casillas after the match REUTERS/Andrew Yates
- FILE PHOTO: Spain's captain Iker Casillas (C) lifts the World Cup trophy after the 2010 World Cup final soccer match between Netherlands and Spain at Soccer City stadium in Johannesburg July 11, 2010. REUTERS/Jerry Lampen/File Photo