Ronaldo struggles as Portugal draws 0-0 with Ireland in World Cup qualifier

In Dublin's Aviva Stadium, Portugal and Ireland played out a goalless draw in a World Cup qualifier that revealed how even the most celebrated teams can be humbled by organization and collective resolve. Cristiano Ronaldo, so often the architect of Portuguese victories, found no way through Ireland's disciplined defensive structure, leaving his nation's path to qualification suddenly less certain. The result keeps Portugal atop Group A, but a final reckoning with Serbia on Sunday will decide who truly leads — a reminder that in football, as in life, nothing is secured until the last moment has