The sacking of Erik ten Hag at Manchester United cost the club a fortune, and the signing of Rubén Amorim also cost them good money.
He Dutch was fired for United at the end of October after a run of just one win in eight games in all competitions.
His assistant and club legend Ruud van Nistelrooy was appointed interim manager before amorim became the permanent successor.
The Portuguese coach has since taken charge of his first match, with his second coming on Thursday night against Bodo/Glimt. live on talkSPORT.
With the appointment of United, the former Sporting Lisbon manager and two-time Portugal League winner leads the new era at Old Trafford.
However, as reported by The AthleticThe club's decision to change coaches this season has not been cheap.
Ten Hag and his coaching staff are said to have received £10.4m in compensation following the Dutchman's sacking.
United then paid Sporting around £11 million to bring Amorim, along with six members of his squad, to the club.
These figures have been taken from the club's first quarter results and mean the total sum amounts to approximately £21m.
It is also said that since the legendary Sir Alex Ferguson left the club in 2013, United have spent around £70 million on new managers.
Ten Hag, who agreed to renew his contract with the club until 2026 in the summer, won two trophies during his time at Old Trafford.
They achieved success in the FA Cup and Carabao Cup, but a dismal start to the current season was enough for United to change their minds.
Van Nistelrooy held the bench for four games before Amorim was announced as the next permanent appointment.
The Portuguese overcame a 1-1 draw at Ipswich Town on his debut on the wing for the Premier League giants.
Amorim will be tasked with improving its Europa League record on Thursday night when it hosts Norwegian team Bodo/Glimt at the Theater of Dreams.
They sit 15th in the league stage and have won just one of their first four games in the competition this season.
And Amorim will also be keeping an eye on Sunday's clash against Everton.