Carrick, who is unlikely to be picked for Saturday's FA Cup final against Chelsea on Saturday and will assume a coaching role at United next season, was treated to a guard of honour by both teams before kick off.
Too numerous players who have featured in the last couple of weeks are players who could be accused of having coasted through the last five years at Old Trafford.
Among the many confirmed starters was Michael Carrick, who was greeted on the entrance of the lodge by a crowd of followers who cheered and captured photographs because the midfielder equipped for his ultimate recreation as knowledgeable footballer.
"It's hard to believe it's not Scholes", chorused Old Trafford throughout, "it's Carrick don't you know".
The acclaim for Carrick finally arrived in the 84th minute as one of Sir Alex Ferguson's many superb purchases finally left the stage.
Booked: Rojo, Young, McTominay, Shaw.
Gomes; Janmaat, Cathcart, Kabasele, Holebas; Doucouré, Hughes; Deulofeu, Pereyra, Richarlison; Gray.
Subs not used: Bachmann, Prodl, Lukebakio, Sinclair.
And Mourinho admitted he isn't planning on appointing a successor to sit next to him at Old Trafford. Even classic Rolls Royces end up having to be garaged permanently at some point but all owners will remember them fondly.
It's the big one.
With United thinking about next week's FA Cup final and making nine changes - and Watford probably looking forward to their summer holidays - the game was short on intensity.
Fellaini (30), has rejected advances from the United camp over an extension due to financial factors.