Carragher said manager Arne Slot should build the team around Alexander Isak and Florian Wirtz.
The former United striker has rejuvenated the team since replacing the sacked Mourinho in December, helping them win 10 out of the 13 Premier League games since his appointment
British media said Arsenal had allocated only 8,000 tickets for United supporters, citing safety concerns.
Arsenal re-established their five-point lead at the top of the Premier League with a 2-0 home win against Brentford on Wednesday and for the second evening running the goals flowed as Aston Villa won 4-3 in a thriller at Brighton and Hove Albion.
With 17 goal attempts compared to Chelsea's 10, Arsenal will feel they should have gone home with a bigger margin of victory and it will be all to play for in north London on February 3.
Manchester United kicked off their Europa League campaign poorly, losing 0-1 at home to Real Sociedad, while Arsenal's new signing Marquinhos scored in a 2-1 win at FC Zurich on Thursday.
Ryan Giggs has rejected an offer to stay at Manchester United and is ready to end his association with the club after 29 years, a British newspaper reported on Thursday. Giggs, who played 963 times for United after joining the club as a 14-year-old, worked as a coach under David Moyes and Louis van Gaal.
Billionaire money manager George Soros reported a nearly 2 percent stake in Manchester United Plc on Monday, in one of the first revelations of investors in the British soccer club's controversial initial public offering earlier this month.
Second-placed City would have reduced Arsenal's advantage to two points but instead were frustrated as their winning streak in all competitions was halted at eight.
Manchester United's final Premier League game of the season against Bournemouth, which was abandoned on Sunday after the discovery of a suspect device at Old Trafford, will be played on Tuesday, the League announced in a statement.
Rasmus Hojlund scored an equaliser deep into stoppage time as Manchester United salvaged a 1-1 away draw at 10-man Bournemouth in the Premier League on Sunday.
Images from the Europa League semi-finals second leg between Manchester United and Athletic Bilbao, Tottenham Hotspur and Bodo/Glimt, on Thursday.
Sporting eased to a 3-1 win over the English champions in a pre-season friendly.
Arsenal maintained a searing pace at the top of the Premier League with a straightforward 2-0 win at Burnley, while Liverpool snapped a dreadful four-match losing run with a 2-0 victory over Aston Villa to climb provisionally to third.
Manchester United have agreed to sign teenage defender Phil Jones from Blackburn Rovers on a five-year deal, the Premier League champions said on Monday.
Premier League leaders Arsenal needed two own goals, the second deep in stoppage time, to scrape a 2-1 home win over bottom club Wolverhampton Wanderers and open a five-point gap, while earlier on Saturday Mohamed Salah put aside a tumultuous week to help Liverpool beat Brighton and Hove Albion 2-0.
'I cannot wait to play at Old Trafford in front of a full stadium and see all the fans again.'
Fulham held visitors Manchester United to a 1-1 draw in the Premier League on Sunday.
Manchester United's insistence on playing possession football under manager Louis van Gaal means they take far more passes for every shot than any other Premier League team, statistics released on Monday showed.
Some Manchester United fans had previously urged Musk on Twitter to consider buying the club
IMAGES from the English Premier League matches played on Sunday.
On a good night for English clubs in the Europa League, Manchester United hammered AZ Alkmaar 4-0, while Wolverhampton Wanderers also thrashed Besiktas 4-0 in Group K, and Arsenal came from two goals down to draw 2-2 away to Standard Liege and finish first in their pool. The upset of the night came in Group J as Crivelli scored a 90th-minute winner against Borussia Moenchengladbach to send Basaksehir through and knock the Germans out, with AS Roma grabbing the runner-up spot thanks to a 2-2 home draw with Wolfsberger as the Europa League group stage concluded on Thursday.
Argentine striker Carlos Tevez completed his move to Manchester United on Friday, the Premier League champions said.
Paul Pogba believes the Red Devils have right balance to win FA Cup and Europa League crowns.
Wayne Rooney said he would pick Paris St Germain boss Mauricio Pochettino over Ajax Amsterdam manager Erik ten Hag to take over his former club Manchester United.
Former Europa League winners Manchester United booked a quarter-final spot in the tournament after their second-string side laboured to a 2-1 home win over LASK Linz on Wednesday to seal a 7-1 aggregate rout of the Austrian side.
Cristiano Ronaldo cleared to play opening matches at World Cup
Holders Manchester United gave Arsenal a masterclass in what is required to be European champions by beating them 3-1 to seal a 4-1 aggregate victory in their Champions League semi-final on Tuesday.
The Dutch striker wants to end his career at Manchester United and then walk away from soccer.
Manchester United midfielder Bastian Schweinsteiger will serve a three-match ban for violent conduct following a clash with West Ham United's Winston Reid in the Premier League last Saturday, the FA said on Thursday.
United players had previously agreed to donate 30% of their wages to local hospitals and health services and also collaborated with players from other teams to set up a fund to raise money for NHS charities.
Unbeaten Liverpool have 45 points from 17 games with champions Manchester City, who beat Everton 3-1 on Saturday, a point behind.
The India Under-16 team bounced back from a 1-2 defeat to Everton to hold Manchester United colts 3-3 in London on Tuesday night.
IMAGES from the Premier League matches played on Saturday
British media said United had closed on a deal worth up to 70 million euros for Casemiro, who has 63 caps for Brazil.
LATE MILEY GOAL SENDS NEWCASTLE THROUGH
'I want to say I was convinced even before (the defeat by Chelsea in February's FA) Cup match that controlling the two players that play behind Diego (Costa) and controlling the full-backs, because they go really deep with two wide men, would create lots of problems and I repeat the same'
Ryan Giggs scored a sublime goal to seal a 1-0 win for Manchester United at West Ham United on Sunday that sent them back to the top of the Premier League.
Manchester United manager Louis van Gaal was at his bizarre best again after his team's 1-1 Premier league draw with Leicester City as he complained that a hair-pulling incident during the match was only acceptable in 'sex masochism'.
Manchester United have completed the capture of Japan midfielder Shinji Kagawa from Borussia Dortmund on a four-year deal.