<p class="title">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.</p>.<p class="bodytext">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."</p>.<p class="bodytext">Porto president Jorge Pinto da Costa Pinto told O Jogo that the Portuguese club was already looking for a new goalkeeper to replace Casillas, but he wanted to keep the Spaniard at the club with a yet unspecified role.</p>.<p class="bodytext">Porto did not respond to a request for comment.</p>.<p class="bodytext">Casillas added that he had a check up with his doctor on Thursday and that "all was well."</p>.<p class="bodytext">Casillas, who joined Porto in 2015, played 725 times for Real Madrid, winning three Champions Leagues and five La Liga titles. With Spain, he won the World Cup in 2010.</p>.<p class="bodytext">Casillas was released from hospital on May 6 after suffering a heart attack in training.</p>
<p class="title">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.</p>.<p class="bodytext">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."</p>.<p class="bodytext">Porto president Jorge Pinto da Costa Pinto told O Jogo that the Portuguese club was already looking for a new goalkeeper to replace Casillas, but he wanted to keep the Spaniard at the club with a yet unspecified role.</p>.<p class="bodytext">Porto did not respond to a request for comment.</p>.<p class="bodytext">Casillas added that he had a check up with his doctor on Thursday and that "all was well."</p>.<p class="bodytext">Casillas, who joined Porto in 2015, played 725 times for Real Madrid, winning three Champions Leagues and five La Liga titles. With Spain, he won the World Cup in 2010.</p>.<p class="bodytext">Casillas was released from hospital on May 6 after suffering a heart attack in training.</p>