The former striker is however backing Jurgen Klopp's side to win the game.
The striker was in fine form in the 3-0 win over Chelsea on Saturday.
Leicester City’s Riyad Mahrez has enjoyed a phenomenal campaign.
Berahino saw two second-half spot kicks saved during the 1-0 defeat to Watford on Saturday, but Pulis is confident the striker will bounce back.
The Black Cats gave their hopes of survival a boost with a win over Norwich on Saturday.
Swansea City lost 3-0 at Newcastle United.
The defender opened the scoring in Newcastle's 3-0 win over Swansea on Saturday, and believes the Magpies have enough quality to survive.
Andy Carroll has been discussing the secret to West Ham United's success in the Premier League this season ahead of Sunday's game with Leicester City.
Burnley goalkeeper Tom Heaton compares Tottenham Hotspur striker Harry Kane to former Manchester United star Ruud van Nistelrooy.
The Reds were impressive this week as they beat Borussia Dortmund in the Europa League.
The Scottish Labour leader, Kezia Dugdale, has accused the SNP of using “dirty tricks” after it appeared that correspondence sent more than a decade ago to an SNP politician had been leaked to the press.
Every household in England will receive a glossy 14-page booklet through their letterbox next week making the case for Britain to remain in the European Union, as the government kicks off a £9m taxpayer-funded publicity blitz.
Malaysia must open a probe into the former boss of 1Malaysia Development Berhad (1MDB), a Malaysian parliamentary committee said on Thursday, after the committee's own investigation found "restrictions and weaknesses" at the troubled wealth fund.