The 18-year-old midfielder – who made his senior debut when coming on as a substitute against Derby County in the Carabao Cup earlier this season – has fond memories of watching many ties and finals on TV as a youngster, which means the chance to actually participate in the competition himself is one he is relishing.
“I remember watching some crazy games in the FA Cup on the TV when I was a kid – some crazy finals as well,” he said.
“Some of the best games in English football have come in the FA Cup. It’s a great competition and to have the chance to be part of that as a professional footballer seems a little strange.
“It is a highly regarded competition and I’m just really excited for the chance to be playing in my first FA Cup match. It would be great to create my own piece of FA Cup history.
“Hopefully the gaffer will give me another opportunity at some point in the game. If he does, I’ll be ready.
“I’m looking forward to the game and it would be great to get some more first-team minutes under my belt.”
Reflecting on the challenge of facing Millwall at The Den, Sheaf added: “We’ll go into the game with confidence and the belief that we can get the result that sees us in the draw for the next round.
“We’ve experienced a lot of different types of games in the league this season.
“We’ve played every single team in the Championship now and have come up against a lot of different styles of play. We’re ready for the challenge Millwall will bring.
“Everyone in the camp is looking forward to the occasion and hopefully we can maintain our recent form in the Cup.”