'A rivalry United fans didn't know they had – until May 2012'

AI Summary

The engagement between Manchester United and Sunderland fans reflects a historic rivalry that has intensified since a memorable moment in May 2012. The article reflects on how fan experiences shape perspectives in the world of football.

Any Manchester United visit to Sunderland brings back memories of 13 May 2012. It is a day etched into Premier League history thanks to Sergio Aguero's injury-time winner for Manchester City that won them the title. United were on the pitch at Sunderland when it happened.