The striker scored two goals in his first game since the 1-1 draw with Everton in October.
The striker returned to Jurgen Klopp’s side for their Capital One Cup clash at St Mary’s, having been absent since the 1-1 draw with Everton in October.
It was a goalscoring return as well, as he scored two first half goals to help his side to an eventual 6-1 rout.
The display was one that will have delighted the Liverpool fans who have been keen to see him return, and Lallana praised his teammate, labelling him as 'world class'.
“It was a great response from the lads, Studge [Daniel Sturridge] has scored two very important goals tonight,” he told liverpoolfc.com.
"He showed exactly what he's about and why we want him back and in the team.
"He's massive for us, he's a world class player. Within ten minutes he finished two brilliant chances and we're in the lead after a sloppy start.”
Given the way Klopp has turned things around at Anfield, it is becoming increasingly difficult to write them off in the title race this season.
They now sit sixth in the table, with 23 points to their name after 14 games, having already faced most of the big sides.
That tally leaves them just four points behind Arsenal in fourth place, and only six behind Manchester City and Leicester City who are joint-top of the table.
That means they are very much in the race, even if it would have seemed unlikely at the beginning of the season.