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From an apparent Liverpool mascot to first-team hero - it's been some rise for Trent Alexander-Arnold ...

The 18-year-old scored his first goal for Liverpool with a beautifully curled free-kick in the first half of Tuesday's Champions League qualifier with Hoffenheim .

So good was the teenager's effort in fact, it forced Liverpool legend Jamie Carragher into posting a picture of himself with what he believed was a young Alexander-Arnold as a mascot back in a League Cup tie at Leeds in 2009.

The picture, which was originally shown on Sky Sports last year, went viral on social media, with Carragher's post being retweeted 18,000 times and 'liked' 50,000.

However, the youngster in shot at Elland Road in September 2009 isn't Alexander-Arnold at all.

The boy in question is in fact 19-year-old Reds fan Dion Simpson, who was stunned to see Sky Sports passing his face off as a young Alexander-Arnold last year.

Dion told the ECHO: "I was a mascot back in 2009 against Leeds away, which is my hometown.

"And then last year Sky put some footage out on Sky Sports News which they thought was Trent, just before the recent EFL Cup game against Leeds last year.

"Then it went viral all last year - and now Carra has brought it back up again!"

Despite seeing thousands of people believing the picture is of Reds right-back Alexander-Arnold and not himself, the student sees the funny side.

"I already seen the footage in 2009 because someone recorded me at the game," he added.

"You could see me in the tunnel, but when they played it last year and thought it was Trent, it was pretty funny.

"And then the big Twitter accounts and newspaper accounts were posting it around on Facebook and Twitter, and it just kept going on for months.

"It's only just died down, but now it's gone even worse because Carra has posted the picture."

Alexander-Arnold burst onto the scene last season under Jurgen Klopp, making his Premier League debut in January's 1-1 draw away to Manchester United.

The 18-year-old has started both games this season due to an injury to Nathaniel Clyne, and the West Derby youngster was elated after the Hoffenheim game .

(Image: Andrew Powell/Liverpool FC via Getty Images)

“It is indescribable to be honest,” he said.

“Special in so many different ways for me personally and I've definitely ticked the box off.

“At first I didn't know it was going to go in but it was well placed and I thought it was a good free-kick and I was happy it went in."