Virgil van Dijk told Darwin Nunez to get his "head down, work and be important" for Liverpool after the striker's decisive cameo performance against Manchester City.
Nunez came on with just under an hour played in Saturday's Community Shield clash between the Premier League champions and the FA Cup winners.
He made a telling impact, winning a penalty when his header struck the arm of Ruben Dias to enable Liverpool to restore their lead through Mohamed Salah after Julian Alvarez had cancelled out Trent Alexander-Arnold's opener.
Nunez, signed from Benfica for a fee of £64million (€75m), with a further £21.4m (€25m) in potential add-ons, capped off a 3-1 triumph for Jurgen Klopp's side with a header late in stoppage time.
The 23-year-old had been the target of criticism and social media jibes following some sloppy performances early in pre-season, though Nunez scored four in a 5-0 rout of RB Leipzig last week and slotted in seamlessly to Liverpool's attack at the King Power Stadium.
Van Dijk shrugged off the criticism of his new team-mate, who the defender explained is already an important player in Liverpool's squad following the departure of club great Sadio Mane to Bayern Munich.
"He's important. He's difficult to play against and hopefully he can show it for the rest of the season," Van Dijk told reporters.
"We all help him in some ways and make sure that he's comfortable, he's calm and just work, and don't focus on what the outside world has to say because everyone has to say something these days. So head down, work and be important for the club.
"I don't speak Spanish, so I'm not saying anything to him at the moment, but we have plenty of Spanish speakers in the team and I know for a fact that they help him, and I don't see anything that bothers him at the moment.
"But we will see, everyone has something to say because there are so platforms to do it. So it can hit you but it shouldn't. Just enjoy your game, enjoy the group, enjoy the club, because we are very blessed to be able to play for Liverpool."
It was a sentiment echoed by midfielder Fabinho, who himself took time to settle into the Premier League following a move from Monaco in 2018.
He said: "We saw he's getting better from the first game of the pre-season. He did really well for the team.
"We've had three weeks of training, so now he knows the way we play a little bit. We are learning the way he plays a little bit more.
"We know he is fast, he's strong and he's a proper number nine. He will be in the box, it looks like the ball follows him, he will always get the chance to score.
"So yeah, I think it's really important for him to score in the first official game in a Liverpool shirt. He will be very important for us this season."
Liverpool's victory marked their first Community Shield triumph under Klopp, at the third time of asking.
Including occasions when the trophy was shared, only Manchester United (21) have won the trophy more times than the Reds (16), whose performance delivered a message to rivals City ahead of the new campaign.
Van Dijk, though, knows using the Community Shield display to predict how Liverpool's season could go would be foolish.
"We can't look to the future," the centre-back added. "It's a boring answer but we knew that, for example, two years ago we had so many injuries, those are part of football as well.
"We are focussing game by game. Hopefully it will be a successful season, better than last season. We are excited to crack on, and we will see what the year brings."
