The Foxes have endured a forgettable defence of the top-flight crown they secured in remarkable circumstances 12 months ago.
A relegation dogfight has been avoided, but a bottom-half finish now looks likely.
Craig Shakespeare’s side were second best throughout in their most recent outing against Tottenham, as they suffered a similar fate to United in a derby date from October 2011.
1-6 - Leicester 1-6 Spurs is the joint-heaviest defeat by a reigning Premier League champion (along with Man Utd 1-6 Man City in 2011). Rout pic.twitter.com/oxhmxWACZD— OptaJoe (@OptaJoe) May 18, 2017
United’s thrashing by Manchester City is probably best remembered for Mario Balotelli’s ‘Why Always Me?’ celebration.
Shakespeare is probably having similar thoughts right about now, having seen Harry Kane produce a stunning four-goal display against his side.
Leicester will wrap up their 2016-17 campaign at home to Bournemouth on Sunday.