The 25-year-old, who nearly joined the Spanish side last summer only for the move to fall through, has been a rare shining light in an otherwise turbulent campaign at Old Trafford.
And, with Madrid due to contest the Champions League final with city rivals Atletico on May 28, United must start emulating Zinedine Zidane’s side if they are to keep De Gea at the club for the long term.
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Rumours of De Gea's move to Madrid dominated last summer's transfer window, and the Spaniards were hellbent on prizing the goalkeeper away from the Premier League in order to replace Iker Casillas.
However, they left it too late to make their move and a move collapsed on Deadline Day. Both clubs issued statements pointing the finger of blame at the other.
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As part of that deal, Keylor Navas was meant to go the other way, but the Costa Rican goalkeeper has instead stayed at the Santiago Bernabeu and helped the club rebuild after a difficult start to the season under Rafa Benitez.
But rumours continue to persist that De Gea could one day return to the Spanish capital, despite manager Louis van Gaal doing his utmost to deny them.
With the Madrid talk having a detrimental effect on his goalkeeper, Van Gaal dropped De Gea at the start of the season with free agent Sergio Romero starting the club’s first four league games.
Yet, though the Argentinean shot-stopper failed to concede in three of those, he was dropped for a key clash against Liverpool, as the United boss chose to reinstate De Gea as his first-choice number one.
And the Spaniard has gone from strength to strength ever since, delivering fantastic performances aplenty to help the club qualify for the Europa League and reach the final of the FA Cup.
He pulled off a superb penalty save from Everton's Romelu Lukaku in the semi-finals of the competition, so it's no wonder he has been recognised by United supporters, who voted him as Player of the Season for the third year in a row.
To keep De Gea, United must start bringing the glory days back to Old Trafford by winning prestigious titles such as the Premier League and Champions League, as opposed to the FA Cup.
Madrid continue to sulk in Barcelona’s shadow in Spain, but the way Zidane nearly pipped the Catalan giants to the league title hints that an era of success could be just around the corner.
De Gea will surely feel some regret if Madrid go on to win the Champions League for the second time in three years. If United continue to fall behind Los Blancos, then maintaining the services of one of the world's best goalkeepers could prove an impossible task.
Should David de Gea leave Manchester United to further his career? Have your say in the comments.
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