Liverpool defeated Aston Villa 2-1 on Saturday, with the Premier League leaders collecting three points after two goals in the closing moments.
The hosts took a 21st-minute lead after Trezeguet scored his first Villa goal since joining the club.
Liverpool hunted for a second-half equaliser and had to wait until three minutes from time when Andrew Robertson headed home.
One last throw of the dice saw Sadio Mane find the back of the net deep into stoppage time for the Reds.
What's Next
Liverpool host Genk in UEFA Champions League action on Tuesday and will welcome Manchester City to Anfield on November 10 in a crucial game in the race for the Premier League title.