17th April 1972- Division Two, Sunderland 5 Watford 0

The game was originally scheduled for 18th March 1972 but was postponed due to fog. I don’t believe another programme was issued for the rearranged date.

http://watford.fcdb.info/index.php?page=matches
The Journal, 18 Apr 1972

Watford Observer match report

https://www.soccerbase.com/matches/results.sd?date=1972-04-17