To hear any player has suffered a serious injury is always sad news. However, when it emerges that two young players have torn their anterior cruciate ligament, it is always a dark day in football.
Not one, but two Liverpool players have experienced the same problem in a matter of days. Joe Gomez was forced off in England Under-21's 2-0 victory against Kazakhstan earlier this week.
And fresh off the back of his first England cap, Danny Ings sustained the same injury in his first training session with new boss Jurgen Klopp.
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Gomez signed for Liverpool for £3.5 million from Charlton Athletic this summer and made an instant impact on the first-team, slotting in at left-back.
In the late stages of Brendan Rodgers' reign, he dropped the England youth star in favour of Alberto Moreno. However, the 23-year-old hasn't had quite the impact expected. Although, he will likely start at full-back against Tottenham.
Jurgen Klopp has been Liverpool manager little more than one week, but he would have been keen to assess Gomez. The youngster is limited going forward but has proven defensive qualities.
Klopp will be eager to tighten up the defence that has been one of the Reds' biggest flaws in recent years. If Moreno doesn't meet the required standards Klopp expects, it could be a lifeline for outcast Jose Enrique.
Enrique was, to put it simply, a reject for the most part of Rodgers' time at Anfield. The Northern Irishman wanted the Spaniard to leave this summer and forced him to train away from the first-team squad, however, Enrique refused.
With Gomez and Jon Flanagan injured, the Valencia-born defender has a perfect opportunity to win his place back. Enrique may not be the greatest left-back in the world, but he could still have a key role to play under Klopp.
Since moving to Liverpool on a free from Burnley, Ings has been embraced by supporters. He was impressive when finally given his debut - coming off the bench in the 3-0 home defeat to West Ham United, and never looked back.
His hard work and selfless attitude have seen him gain a significant amount of praise on the Kop and he has proven his goalscoring credentials, netting three times from eight matches.
Klopp will also be without Christian Benteke for Saturday's away trip to Tottenham Hotspur. Daniel Sturridge's injury history also makes him a constant worry. He is likely to start in north London, but Klopp will have a Plan B ready if Sturridge does pull up.
Divock Origi hasn't had many opportunities since joining Liverpool. It was Ings, not Origi, who appeared to be the fourth choice striker at Anfield before the season started.
However, the Belgium international has made just three appearances thus far, with only one coming in the Premier League.
With Ings and Benteke out, as well as Roberto Firmino, it grants Origi a chance to impress his new boss. Gifted in pace and power, the former Lille man has the right attributes to excel in Klopp's side.
What would be your starting XI for Liverpool's trip to White Hart Lane this weekend? Have your say in the comments section below!