The quantity has been donned by the likes of Bryan Robson, Eric Cantona, David Beckham and Cristiano Ronaldo beforehand.
Bastian Schweinsteiger has taken the No. 31 shirt from Marouane Fellaini, who has switched to No.27.
The Premier League kicks off this weekend and the first match of the new season will see Manchester United host Tottenham Hotspur.
Argentina worldwide Romero replaced David de Gea, who has been dropped by manager Louis van Gaal over concerns he has become unsettled by reports linking him with Real Madrid.
Although Depay failed to score on debut, his mazy runs and trickery brought United fans to the edge of their seats. Anders Lindegaard continues in No. 13, Sergio Romero takes No. 20, and Sam Johnstone gets No. 50.
It seems as if Manchester United fans have been waiting an age for the official squad numbers to be announced.
“I don’t think (van Gaal) knows his best defence — that’s a problem in itself”, said Ferdinand, who wants his former club to sign Everton’s England defender John Stones.
United must submit their list of squad numbers by the midday deadline today. He also mentioned Schneiderlin’s great few years as a player at Southampton and Schweinsteiger being a serial victor since he’s won a number of Bundesliga titles. Juan Mata 10. Rooney, 11. Januzaj, 12.
Deployed on the left-hand side of United’s central midfield alongside Michael Carrick, Schneiderlin provided the sort of defensive shield that was often missing from the team last season.