Mane and Salah both depart for the AFCON which begins on January 9, with the final being held on February 6.
As the talismanic stars of Senegal and Egypt respectively, the duo are likely to advance to the final knockings of the competition, especially with Senegal reaching the final last time out.
But whilst the club have squad depth to last them for the month, Merson believes the signing of Jimenez would serve them well even in the long-term.
“Liverpool need to sign a centre forward like Raul Jimenez in January – and not just as cover for the African Nations Cup either,” Merson told the Daily Star.
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