The Reds have won the FA Cup seven times, but they haven't lifted the trophy in 11 years.
Boss Jurgen Klopp says the competition is very important to his players.
Kick-off is at 1.30pm.
Chelsea will be hoping to put their Premier League defeat to Tottenham behind them when they play Peterborough ar 3pm.
Middlesborough entertain championship side Sheffield Wednesday at the same time while Tottenham also have a date with championship opposition- they face Aston Villa at 4pm.
Cardiff City and Fulham kick start the action in an all-Championship affair at 11.30am.
