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It's becoming a common sight.

There was Divock Origi stepping off the bench and making a real difference for Liverpool as an impact substitute.

Strong, positive and direct, the Belgian striker surged at the Tottenham backline at Anfield on Sunday afternoon and won the corner which ultimately led to Toby Alderweireld's dramatic late own goal.

Jurgen Klopp's trust in Origi has grown significantly over the course of this thrilling season for the Reds.

Last summer Liverpool were willing to off-load him after he struggled to impress following his return to the club from an uninspiring loan spell at Wolfsburg.

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However, Origi snubbed the opportunity to join Wolves for £22million plus add-ons and Borussia Dortmund refused to meet the Reds' asking price.

He stayed put and didn't even make a matchday squad until October 20. He found himself a long way down the pecking order and on duty for Liverpool Under-23s at the Kirkby Academy.

To his credit, Origi never sulked. His attitude was impeccable and slowly but surely with his efforts on the training ground at Melwood he gatecrashed the Reds' title challenge.

December's Merseyside derby provided a much needed shot in the arm to his flagging career. Origi secured lifelong cult hero status on the Kop when he gleefully nodded home the winner after Jordan Pickford's blunder in the sixth minute of stoppage time.

At the time his introduction for Roberto Firmino late on smacked of desperation. After all he had played just 11 minutes of senior action in the first half of the season.

But Klopp's faith was repaid and since then he has kicked on. He scored again in the FA Cup defeat to Wolves and in the 5-0 rout of Watford.

He has only started four matches in all competitions this term but he has now made a 10 further appearances off the bench.

Origi's versatility has been a useful attacking weapon for Klopp, who has used him down both flanks as well as through the middle.

With the front three of Sadio Mane, Mohamed Salah and Roberto Firmino so established, Origi has taken on the role as a key understudy.

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

It's been telling in recent weeks that Klopp has turned to him ahead of both Xherdan Shaqiri and Daniel Sturridge.

Why? The manager knows exactly what he's going to get. Origi takes the fight to opponents when he's got the ball and works tirelessly to shut down space when he hasn't.

He carried out orders perfectly after being summoned from the bench away to Fulham and home to Spurs as on both occasions Liverpool grabbed late winners.

Origi is the perfect example to those on the fringes of Klopp's squad. He's shown patience and then made the most of every opportunity that has come his way.

Having announced himself on the big stage at the 2014 World Cup, Origi is no rookie. But it's easy to forget that he's still only 23.

Whatever happens during the run-in, both Liverpool and Origi will have a big decision to make this summer.

His contract only runs until 2020. Is he prepared to commit his long-term future to Liverpool in the knowledge that he's likely to remain as back-up to Firmino or does he go elsewhere and become a leading light?

If a new deal isn't signed, the Reds must decide whether to cash in on his resurgence come the summer or run the risk of losing him for nothing.

What's clear is that here and now Origi is vitally important to Klopp's Liverpool. His succession of cameos have helped keep the title push alive.