Liverpool fullback Andy Robertson has welcome the club's new front four.
Diogo Jota, signed from Wolves in the summer, has emerged as the newest addition to Liverpool's success triumvirate of Sadio Mane, Mohamed Salah and Roberto Firmino.
Jurgen Klopp started all four players in the 1-1 draw with Manchester City on Sunday.
Robertson told the club's website: "Look, that's what happens with players like Diogo – who scored a hat-trick in midweek, he's scored so many goals – and obviously the manager looked at it and thought, 'I have to get him in the team'.
"The front three have been phenomenal the last three years and then we bring on quality like Shaq [Xherdan Shaqiri], who is in such a good moment right now. He has played phenomenal football the past couple of weeks and then we bring on Millie [James Milner], trusty Millie, slotting in for Trent [Alexander-Arnold].
"That was part of us maybe adapting as a team, being able to play different formations, being able to play different personnel and things like that, and we managed to do that against one of the best teams in the league.
"I thought we did it pretty well and we can adapt, and it means that we can maybe play it more often, but the 4-3-3 has worked so well for us. So we won't play it all the time, but it means we can adapt to certain teams, certain situations and it's about us evolving as a team. So that was a big step."
