Manchester United are far-and-away the most successful club in the history of the Premier League.
With Sir Alex Ferguson in charge, the Red Devils won a remarkable 13 titles in the space of just 21 years.
However, things have not been the same since the legendary Scottish manager retired in 2013.
David Moyes, Louis van Gaal and Jose Mourinho have all failed to come close to replicating the success achieved by Ferguson.
They've not won a Premier League title since 2013 and currently lie seventh in the table, nine points adrift of Manchester City.
Man United were famous for their attacking football under Ferguson but that's just a distant memory for fans at Old Trafford.
They haven't scored five goals in a Premier League match since Sir Alex Ferguson's farewell game: Manchester United 5-5 West Brom.
Incredible statistic emerges
On Sunday afternoon, Manchester City thrashed Southampton 6-1 to maintain their unbeaten start to the season.
After the match, Duncan Alexander posted an eye-opening tweet which highlights how bad Man United have been as an attacking outfit since Fergie stepped down.
Fierce rivals Manchester City have managed to score five goals on 21 occasions since Ferguson's final match in charge.
And Jose Mourinho's side have failed to register four goals in a Premier League game since November 2017.
Anthony Martial has scored five goals in his last four games but Mourinho's star signings Alexis Sanchez and Romelu Lukaku have flattered to deceive.
Club legend Paul Scholes doesn't think Man United will win the league with Lukaku leading the line.
"I'm just not sure you are ever going to win the league with a goal scorer like him [Lukaku]," said Scholes to ESPN. "I don't think his play outside of the box is good enough.
"We had four centre-forwards -- [Andy] Cole, Teddy [Sheringham], Ole [Gunnar Solskjaer] and [Dwight] Yorke - and when they went through bad spells, which every footballer does, someone else was waiting to come in.
"That helped their performances because they knew that if they didn't perform then they would be taken off. Maybe Lukaku needs that, too."