Liverpool defender Joe Gomez faces a long-term sack which will see him miss most of the season after undergoing surgery to repair a damaged knee tendon.
The severity of the injury has dealt a further blow to Liverpool's defensive woes, with Virgil van Dijk already struggling to play again this season after cruciate ligament surgery and Trent Alexander-Arnold out for at least a month due to a calf injury.
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Gomez was injured in training for the England squad on Wednesday in preparation for Thursday's friendly against the Republic of Ireland at Wembley.
Surgery confirmed the 23-year-old had no ligament injuries but after successfully repairing the damaged tendon, Liverpool have yet to declare a timeline for the player's return to fitness.
A statement read: “Liverpool Football Club can confirm that Joe Gomez underwent successful surgery today to repair a tendon in his left knee.
The center-back was injured during a training session with the England national team on Wednesday. The problem was isolated to the Gomez tendon, without damage to other associated knee ligaments.
“The damage repair operation, which took place in London on Thursday morning, was a success and the 23-year-old will make a full recovery.
"Gomez will immediately begin a rehabilitation program with the Reds' medical team, with club staff closely monitoring his progress."
Sources told ESPN the club have yet to exclude Gomez from their plans for this season.
With Gomez and Van Dijk out for a long time, Joel Matip is now the only fit senior center-half available to manager Jurgen Klopp.
Dejan Lovren, the Croatia international, has not been replaced since his summer sales at Zenit Saint Petersburg.