Southampton beat Liverpool 1-0 at St Mary's on Wednesday night thanks to Nathan Redmond's first half strike.
The EFL Cup second leg clash takes place at Anfield on January 25 and Jurgen Klopp will be hoping that his team perform much better come the end of the month.
Below Sportsmail's Sam Cunningham picks out the six key factors from the game.
TRIBUTE FOR JACK DOWDING
There was a nice moment in the 20th minute as the crowd rose to their feet for a 60-second applause in tribute of Southampton fan Jack Dowding who died suddenly on Saturday morning.