Guillermo Varela has completed his move to United from Penarol for an undisclosed sum.
The Uruguayan's arrival provides the inspiration for our latest trivia question which is based solely on the Sir Alex Ferguson era at Old Trafford.
This week's trivia question is:
Can you name 12 players who were selected for the first team by Sir Alex whose surnames ended with the letter A.
Please note we are not counting Rafael and Fabio (Da Silva), any players who only traditionally use a single name nor Wilfried Zaha, who is yet to make his debut.
Click here for the answers.