FANTASTIC FOUR: Inside the first training of Alisson, Jota, Bajcetic and Alexander-Arnold as they return for Liverpool vs Atalanta clash

Liverpool have been handed a major fitness boost ahead of the run-in with four key players returning to FULL training on Tuesday.

Training photos: Alexander-Arnold, Alisson, Bajcetic and Jota join  Liverpool's Tuesday session - Liverpool FC

Diogo Jota, Trent Alexander-Arnold, Alisson and Stefan Bajcetic all played a full part in the Reds’ session on Tuesday afternoon.

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That is despite Jurgen Klopp suggesting last week that all four would likely only join “parts” of team training this week.

It remains to be seen whether any of that quartet are able to feature against Atalanta on Thursday evening having been out for lengthy periods.

But the imminent boost to Klopp’s options is a welcome one with Liverpool engaged in a Premier League title race and still in the Europa League.

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Liverpool handed boost as Trent Alexander-Arnold, Alisson and Diogo Jota  return to training - The Athletic

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Liverpool news: Alexander-Arnold, Alisson, Jota, Bajcetic in training - BBC  Sport

Alisson has been sidelined since February with a muscle complaint, while Alexander-Arnold and Jota were struck down that same month with knee issues..

Alisson has missed the last 13 games after injury ruled him out for over two months, with Caoimhin Kelleher filling in admirably since.

Alexander-Arnold has sat out of 12 games so far and Jota 11, though that tally could increase before they return to action.

Bajcetic, meanwhile, has featured only twice this season due to a persistent adductor issue.

When they are passed fit to feature again, that would leave only Joel Matip, Thiago and Ben Doak on the sidelines.