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Roberto Martinez’s resignation followed Portugal’s 1-0 Round of 16 defeat to Spain at AT&T Stadium, with substitute Mikel Merino scoring in the 91st minute to send Spain through and end Portugal’s World Cup run ^NE. The loss also closed Cristiano Ronaldo’s final World Cup, after he had confirmed that the 2026 tournament would be his last, and it capped a record-breaking run in which he became the first male player to score in six World Cups, beginning with his 2006 debut and ending at age 41 ^EEE. Martinez said the defeat marked “the end of a cycle” for Portugal, noted that his contract ended that day, and said it “doesn’t make sense to continue” as head coach . The next steps are for Portugal’s football leadership to appoint a new manager, while Ronaldo moves into international retirement planning after confirming this was his last World Cup .