Diouf could be set to return to the scene of his first ever strike for the Potters, who edged their way to a shock 1-0 win in August 2014.
It's a usual cliche ahead of a Merseyside derby, but it was a story of the recent run of form for both sides.
The Chilean scored twice in the first half as the Gunners beat west Bromwich Albion 2-0 on Thursday night.
The Ivorian has played a pivotal role in Newcastle's last two games, with the stats suggesting he could be a key part of their survival bid.
The Liverpool boss has impressed the pundit since his arrival on Merseyside.
The Norwegian boss confirmed this week that he will be leaving Parkhead at the end of the season.
Is Wayne Rooney likely to play second fiddle to Harry Kane this summer?
The former Liverpool goalkeeper became frustrated with what he perceived as broken promises from the "cold" manager after the Champions League triumph.
Newcastle United are fighting for their top-flight future.
The Owls midfielder has been recognised for his performances this season by being named as one of the best four midfielders in the division.