Liverpool defender Virgil van Dijk is "out for much than a month" with a hamstring problem, says manager Jurgen Klopp.
The Netherlands planetary was substituted astatine half-time successful Monday's 3-1 Premier League defeat astatine Brentford.
Van Dijk, 31, has played successful each of Liverpool's league matches this season.
"The diagnosis was beauteous harsh. We're talking astir weeks, much than a month," said Klopp earlier Saturday's FA Cup necktie with Wolves.
"I anticipation it goes quick. It's hard for him, but helium has played an unthinkable magnitude of games successful caller years."
Joel Matip, Ibrahima Konate, Joe Gomez and Nathaniel Phillips are Klopp's different options astatine centre-back.
In amended quality for Liverpool, midfielder Jordan Henderson is disposable erstwhile again aft missing the Brentford crippled with concussion.
Klopp added connected Henderson: "He did precisely what helium was allowed to bash yesterday - large parts of squad grooming without heading.
"And from contiguous connected I deliberation he's wholly allowed to bash everything."
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