Manchester United Transfer News: Latest Kylian Mbappe, Antoine Griezmann Rumours

AS Monaco forward Kylian Mbappe is now reportedly Manchester United's primary summer target, but the Red Devils have already seen a huge £95 million bid for the Frenchman rejected.

According to Spanish radio station Cadena COPE (via James Benson in the Daily Star), United are looking to get ahead of Real Madrid in the race to sign the 18-year-old, but their first two bids—worth £69 million and £95 million—have been turned down.

The report continued that Mbappe has now replaced Atletico Madrid star Antoine Griezmann as United manager Jose Mourinho's key attacking target for the end of the season.

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It had already been reported that United's hopes of signing Griezmann were fading, per The Independent's Miguel Delaney.

And if the Manchester giants have indeed registered two monster bids for Mbappe, it seems likely that they are now focusing on snapping him up.

The France youth international is enjoying a breakout season in 2016-17, and United's second bid reportedly came after the youngster starred against Manchester City in the UEFA Champions League, per Benson.

Football analyst David O'Brien provided his remarkable return for the term so far:

United are in need of attacking reinforcements, as they have been overreliant on 35-year-old Zlatan Ibrahimovic for their goals in 2016-17, and the Swede is nearing the end of his career.

Marcus Rashford and Anthony Martial are both supremely talented but have yet to prove themselves as consistent goalscorers.

Neither, of course, has Mbappe, but his talent is such that he has even been compared to Cristiano Ronaldo and Lionel Messi, per Goal's Robin Bairner.

Should he become the calibre of player of Messi or Ronaldo, then it would be worth United splashing out a world-record fee on him at just 18.

If he could thrive in the No. 9 role at Old Trafford for the next decade or more, then he would be a fantastic purchase.

But it would be a big gamble for United to pay such huge money for Mbappe, a young player unproven in the Premier League.

He has huge potential, though, and United need to bolster their goalscoring unit if they are to return to Premier League contention and the UEFA Champions League.