Leeds were hit for six in December's reverse fixture against their arch rivals at Old Trafford as Ole Gunnar Sollskjaer's side recorded a 6-2 victory.
"For us, we know it's a massive game," Harrison told Sky Sports.
"We know we have to redeem ourselves for last time.
Most Popular
-
1
Leeds United braced for disappointment as transfer rival reportedly agree £21 million deal
-
2
'A risk not worth taking' - Title winner discusses Leeds United's latest summer transfer
-
3
Leeds United news: PSG make Arnaud Kalimuendo decision as former Whites man expresses Joel Robles 'surprise'
-
4
Leeds United transfer news: Leeds ‘set aside club-record fee’ for striker deal, Southampton ‘willing’ to sell Whites target
-
5
What Leeds United said on outstanding Raphinha payment as Barcelona make another drastic move
"But also there's a lot of history and emotions behind this game as it is anyway because of the rivalry and how much it means to everyone associated with the club.
"We are going to do all we can to try and create some happy faces today but we know it's going to be a tough game."
A message from the Editor:
Leeds has a fantastic story to tell - and the Yorkshire Evening Post has been rooted firmly at the heart of telling the stories of our city since 1890.
We believe in ourselves and hope you believe in us too. We need your support to help ensure we can continue to be at the heart of life in Leeds.
https://www.yorkshireeveningpost.co.uk/news/why-yorkshire-evening-post-needs-your-support-laura-collins-yep-editor-2913382
Subscribe to our website and enjoy unlimited access to local news and information online and on our app.
With a digital subscription, you can read more than 5 articles, see fewer ads, enjoy faster load times, and get access to exclusive newsletters and content.
Click here to subscribe.
For more details on our newspaper subscription offers click here.
Thank you Laura Collins