Ian Rush believes the current Liverpool side would go down as the greatest in club history should they win the quadruple.
The Reds have already secured one piece of silverware after beating Chelsea in the Carabao Cup final and there is optimism they could win further trophies come the end of May.
Jurgen Klopp's side remain in contention for the Premier League title, have one foot in the next round of the Champions League and progressed to the quarter-finals of the FA Cup after beating Norwich 2-1 at Anfield midweek.