Jack said he will also sign the shirt from the West Ham v Leeds United game at London Stadium on Sunday, which Leeds won 3-2. It is a £10 donation on JustGiving page 'Jack Harrison hat-trick winning shirt raffle' for those who would like to enter. A winner will be selected on Monday January 24. Jack wrote on the Just Giving page: "It was a special moment scoring my first Premier League hat-trick. "I want to show my appreciation to the fans and raise money for something I care very much about. "The shirt will be signed and can be personalised for the winner." OFFER: January transfer window deal: Get 30% off the latest Leeds United news with a Yorkshire Evening Post sports subscription Funds raised will be donated to Yorkshire Cancer Research, the official charity partner for Leeds United. More than £18,000 has been raised from the raffle so far. People have been leaving comments on the page after buying a raffle ticket Richard Hartshorn wrote: "A very generous thought - well done and thanks for your supreme effort on Sunday." Richard Brown wrote: "Well done on your weekend achievement and a great idea for a worthy cause." Support the YEP and become a subscriber today. Enjoy unlimited access to local news and the latest on Leeds United, With a digital subscription, you see fewer ads, enjoy faster load times, and get access to exclusive newsletters and content. Click here to subscribe.