The Liverpool star was in superb form against Newcastle United on Monday night, scoring twice and providing an assist as his side got the win that sends them three points clear at the top of the Premier League.
It was the forward’s last game for Liverpool before linking up with the Egypt squad.
Salah could miss up to eight games should Egypt reach the final of AFCON in Ivory Coast, leaving Jurgen Klopp with a major dilemma in attack.
Carragher has tipped Barnes to possibly thrive in his role, also believing Szoboszlai could be moved from his regular midfield role to join the attack.
‘It will be very interesting to see who he puts in that position,’ Carragher told Sky Sports.
‘A lot of Liverpool’s attackers are right footed. They look okay on the left, Diogo Jota, Darwin Nunez and Cody Gakpo can all do that but no one looks like they have the right balance to go on the right.
‘A couple of options could be Harvey Elliot. I think he is more of a midfield player, he lacks pace to play in the front three but he could do it.
‘But also Szoboszlai. Liverpool have got a lot of midfield options now with Alexis Mac Allister back, Szoboszlai has played in that position for his former club.
‘But you can’t replace his [Salah’s] goals, that will be very difficult.’
Egypt’s AFCON campaign will begin against Mozambique on January 14 before they play Ghana on January 18 and Cape Verde on January 22.
Egypt are widely expected to progress from Group B and their round-of-16 fixture will be played on either January 28 or 29, depending on where they finish in the table.
The AFCON quarter finals will be played on February 2 and 3, with the semi-finals on February 7 and the final, which will be held at the Olympic Stadium of Ebimpe, is on February 11.
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