"He was not injured, but I wanted to control the game, go back to our normal formation, and that helped us".
Favourites to challenge for the Premier League title, and hotly tipped in Europe, they can hope to satisfy supporters' long-standing desires this time out.
This also represents the first time in the club's history the Reds have begun a season with seven wins in a row.
"You could see that with the communication on the pitch, but we changed back to a system we are used to". Offensively, it was a good idea, but we have to work a bit more on that. "He was good. I liked it".
Firmino - who suffered his eye injury in the win at Tottenham - spearheads Jurgen Klopp's front four at Anfield, playing in front of Sadio Mane, Mohamed Salah and Shaqiri, the latter looking to make an impact after being restricted to two substitute appearances in the league this season.
21' - GOAL! Liverpool 2-0 Southampton (Matip).
Joshua takes on Povetkin in heavyweight title bout tomorrow
Saturday is the first of a two-fight deal at Wembley and Joshua said he felt at ease. "We both showed that against Klitschko". Today will also mark Joshua's debut on the new DAZN streaming service.
"I'm really, really happy about how we played the game today, because it was clear it was a really hard game, we knew that form the last few games when we played Southampton, but today we were in a really good mood", Klopp said.
"It's a surprise, but all the performances we showed so far were good enough to win the games". But now the next one is coming on Wednesday and then coming again on Saturday and then again on the Wednesday. It will be tough, but for all of us, so that's absolutely OK. It was a nice feeling to be on the field 90 minutes, ' added Matip, who underwent a thigh operation in April.
Despite conceding three before half-time at Anfield, manager Mark Hughes remains optimistic about their progress.
"We avoided that because we stuck at it, stuck in the game and tried to do the right things and saw the game out in the second half".
On Shaqiri, Klopp said: "I said to Shaq in half-time, I've never taken off a player after such an influential time without an injury".
Alisson could have easily took a nap in the first half, and Liverpool still would have bagged a clean sheet against the Saints.