Kylian Mbappe could become the first player to secure theGolden Boy award twice after he was included on a 40-man shortlist for this year's prize.The Paris Saint-Germain forward was crowned in 2017 and has since played a starring role for France at the World Cup, scoring in the final against Croatia to helpLes Bleus lift the trophy in Russia.Liverpool full-back Trent Alexander-Arnold, who helped his club reach the Champions League final, is one of four from the Premier Leaguein the running to be crowned the best young playerunder the age of 21Manchester City's Phil Foden and Everton's Tom Davies havebeen selected too, along withDiogo Dalot, the Portuguese full-back who signed for Manchester United from Porto in June.Real Madrid new boyVinicius Junior,Borussia Dortmund'sChristian Pulisic and Netherlands winger Justin Kluivert - who moved from Ajax to Roma in the lasttransfer window - are also in contention.Established byItalian newspaper Tuttosport, the award is voted for by a jury made upof journalists from across Europe.Previous winners include Mbappe's compatriots Anthony Martial and Paul Pogba, while Lionel Messi won in it in 2005.