Mignolet recently lost his place in the Liverpool starting line-up to Loris Karius, who has produced some encouraging performances over the past month.
Joe Gomez will be assessed before Liverpool's Champions League tie against Porto with Nathaniel Clyne now back in full training.
Liverpool manager Jurgen Klopp has suggested Loris Karius could retain his place in goal ahead of Simon Mignolet against Porto on Wednesday.
Roberto Firmino has not begun talks over a new Liverpool contract but has no plans to become the latest big-name player to leave Anfield.
Klopp discussed Sunday's opponents Southampton, provided an update on his squad's fitness and insisted that Can hasn't told him about any agreement with Juventus.
Salah, 25, joined the Reds in £34m transfer from Roma last June and is second only to Tottenham's Harry Kane in the Premier League goalscoring charts.
Emre Can is out of contract in the summer and is free to talk to clubs outside England. Juventus have confirmed their interest in signing him.
Ralph Hasenhuttl said Keita's consistency had dropped since the midfielder agreed a £51m ($71m) deal last summer to move to Liverpool.
Karius, 24, has started Liverpool's last four league games after taking over as first-choice goalkeeper from Simon Mignolet.
Alisson, 25, has been linked with a summer move to Liverpool and Paris Saint-Germain following his stellar performances for Roma this season.
Sadio Mane has failed to impress like Mohamed Salah and Roberto Firmino this season. The latter two have collectively scored more than 40 goals in all competitions.
Adam Lallana made his comeback from injury during the Liverpool U23's game against Spurs but was sent off just past the hour mark
Spurs were awarded two penalties at Anfield as they fought back to earn a thrilling 2-2 draw against their top four rivals.
Liverpool have a deal in place with RB Leipzig that will see Guinea midfielder Naby Keita move to Anfield in the summer.
Klopp discussed Coutinho, Van Dijk, Carragher, Lallana, Clyne, Tottenham and transfers at Melwood on Friday (2 February).
The only business Liverpool have done is the arrival of Virgil van Dijk in January from Southampton for £75m, a world-record sum for a defender.
Markovic, Wilson and Flanagan have left the club on loan until the end of the season, while Lloyd Jones has left Liverpool on a permanent deal.
Liverpool manager Jurgen Klopp is remaining coy on the future of Emre Can and has also hinted that the club could conduct more transfer business on deadline day.
Jurgen Klopp's side were knocked out of the FA Cup by West Bromwich Albion at Anfield over the weekend.
Daniel Sturridge was not guaranteed regular playing time in the second-half of the season by Jurgen Klopp.
Liverpool favourite Mark Lawrenson says Jurgen Klopp may reach out to the club's owners over another January signing.
Liverpool striker Daniel Sturridge is believed to be undergoing a medical at West Brom after the Baggies moved to beat Newcastle and Inter Milan to a £1.5m loan deal.