The Spaniard was keen to convey his thanks to the supporters who backed him through nine seasons at the club, showing their appreciation for his efforts by voting him Sir Matt Busby Player of the Year on four occasions.
The Snapdragon Cup clash with Fiorentina afforded the 34-year-old an opportunity to meet up again with United staff and enjoy his afternoon, and it was a pleasure to speak to him again inside the stadium he will probably always think of as home.
A fixture against the north Londoners conjures up memories for the keeper, including one amazing occasion where he made a joint-record 14 saves in a game at the Emirates Stadium, in December 2017.