Here, Press Association Sport takes a look at how new manager Ole Gunnar Solskjaer's hugely positive start of just one defeat in 17 games has unravelled alarmingly in the nine fixtures since.

March 10: Arsenal (a), Premier League, 0-2

The PASSION ❤️#Xhakaboom pic.twitter.com/ziP5xQ2aRf

— Arsenal FC (@Arsenal) March 10, 2019

Granit Xhaka's long-range strike and a Pierre-Emerick Aubameyang penalty ended Solskjaer's unbeaten league start at the Emirates Stadium as the Gunners leapfrogged United into the top four.

March 16: Wolves (a), FA Cup quarter-final, 1-2

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WOLVES ARE FA CUP SEMI-FINALISTS!!

A post shared by Wolves (@wolves) on Mar 16, 2019 at 3:21pm PDT

Second-half goals from Raul Jimenez and Diogo Jota meant it was Wolves and not misfiring United who progressed to the FA Cup semi-finals with Marcus Rashford's late strike providing scant consolation.

March 30: Watford (h), Premier League, 2-1

Manchester United's Anthony Martial (centre) celebrates scoring his side's second goal at Watford — Manchester United winger Anthony Martial, centre, celebrates scoring his side's second goal at Watford (Martin Rickett/PA)

Two days after being appointed as manager on a permanent basis, Solskjaer watched his side labour to victory over Watford as goals from Rashford and Anthony Martial proved decisive despite Abdoulaye Doucoure's late effort.

April 2: Wolves (a), Premier League, 1-2

"We've just got to look forward and dust ourselves down. It was a disappointing result but a good performance." #MUFC

— Manchester United (@ManUtd) April 2, 2019

United slipped to their second defeat at Molineux inside 17 days when Scott McTominay's opener was cancelled out by Jota and then overhauled by Chris Smalling's own goal after Ashley Young had been sent off.

April 10: Barcelona (h), Champions League quarter-final, first leg, 0-1

Barcelona's Luis Suarez (second right) celebrates after Luke Shaw had deflected his effort home — Barcelona's Luis Suarez, second right, celebrates after Luke Shaw had deflected his effort home (Nick Potts/PA)

Luke Shaw's own goal left his side with a mountain to climb in their Champions League quarter-final with Barcelona after a tight encounter at Old Trafford.

April 13: West Ham (h), Premier League, 2-1

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➕3️⃣✅ #MUFC

A post shared by Manchester United (@manchesterunited) on Apr 13, 2019 at 11:28am PDT

Two Paul Pogba penalties, the second of them with just 10 minutes remaining, secured an unconvincing win over the Hammers, for whom Felipe Anderson had earlier levelled.

April 16: Barcelona (a), Champions League quarter-final, second leg, 0-3

🤩 SEE U IN THE SEMIS! ⚽ FC Barcelona 3–0 Manchester United (agg. 4-0) 👟 Messi x2 & Coutinho🔵🔴 #BarçaMUFC #ForçaBarçaPresented by Rakuten Arena

Posted by FC Barcelona on Tuesday, April 16, 2019

A bloodied Lionel Messi killed off any hope of a comeback at the Nou Camp with two goals before the break to set the stage for Philippe Coutinho to complete the damage with a wonder-strike.

April 21, Everton (a), Premier League, 0-4

"We know we let the fans and the club down."

More from the #MUFC boss:

— Manchester United (@ManUtd) April 21, 2019

United's plight deepened in spectacular style when they succumbed to first-half goals from Richarlison and Gylfi Sigurdsson before Lucas Digne and Theo Walcott heaped on the humiliation after the break.

April 24: Manchester City (h), Premier League, 0-2

Manchester City manager Pep Guardiola celebrates his side's second goal (Martin Rickett/PA)

Despite looking composed and organised during the first half at a rain-soaked Old Trafford, United's defence was breached by Bernardo Silva after the break and Leroy Sane was soon on target, too.

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