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At just 18-year-old, the Scotland under 21 international has already impressed for the Blues. He shone against Liverpool in the FA Cup and Everton on his Premier League debut.
Speaking on Sky Sports' Football Show, Lampard said: "We've had a few lads come through this year and they're great to work with, they're like sponges, they want to come in and they want to learn. Billy has probably given me as much pleasure as anyone because when you look at him he's quite slight in stature, he's quiet, he's polite and he's young, but you should see him train day to day.Billy moved over to the first team building a while ago, he just had to because he trained at such a level if you have a possession a game, whatever, he has such a good attitude and does the basics so well".
