The Brazilian goalkeeper kept the Reds alive with a massive late save, earning plenty of praise from the two former Premier League stars
Rio Ferdinand and Luis Garcia say Alisson's performance on Tuesday night proved the goalkeeper is more than worth the transfer fee paid for him this summer.
Liverpool broke the bank to sign Alisson from Roma this summer, paying a then world-record fee of €62.5 million (£56m) to sign the goalkeeper from the Italian club.
The Brazilian has already saved a number of points for the Reds this season, but his efforts on Tuesday may have been his most important yet.