Liverpool's hopes of reaching the quarter-finals of the Champions League are hanging by a thread.
They head to Real Madrid on Wednesday needing to overturn a three-goal deficit - something only achieved on three previous occasions in the competition - after losing 5-2 in the first leg at Anfield.
But the Reds do have previous for unlikely Champions League fightbacks and will take heart from their 7-0 thrashing of Manchester United in the Premier League.
Before Liverpool look to upset the odds at the Bernabeu, we revisit some of the greatest comebacks in Champions League history.