De Gea played for Sir Alex during the legendary manager's last two seasons before he retired, and helped him to sign off by winning the Premier League for an incredible 13th time in 2013 - the club's record 20th title overall.
In the latest episode of the UTD Podcast, David speaks about his first United boss in glowing terms, revealing how he was “in shock” when he found out Sir Alex had missed a first-team match to fly to Spain and watch him play for his previous club.
Before De Gea joined United in the summer of 2011, Sir Alex’s desire to sign him was no secret.