Goalkeeper Casillas set to retire after heart attack - report

FILE PHOTO: Soccer Football - Champions League Quarter Final Second Leg - FC Porto v Liverpool - Estadio do Dragao, Porto, Portugal - April 17, 2019 FC Porto's Iker Casillas during the warm up before the match Action Images via Reuters/Andrew Boyers/File Photo

LISBON (Reuters) - Spain's World Cup-winning captain Iker Casillas is likely to announce the end of his goalkeeping career after suffering a heart attack on May 1, Portuguese sports newspaper O Jogo reported, citing the president of his club Porto.

Casillas, 37, would not confirm the decision, saying in a tweet that "a day will come when I will have to retire. Leave me to announce that news when the time comes."