Despite the terrible start the reigning Premier League champions have made to the season - which sees them sat in 15th place and dumped out of the League Cup - the Dane wrote in his Liverpool Echo column that he doesn't believe his old side will have an easy time of things at Stamford Bridge, but senses an opportunity to add to the Blues' misery and reckons Mourinho is in 'deep, deep trouble'.
He wrote: "They had a couple of good results and a couple of clean sheets and we thought they’re slowly going to start picking points up but right in front of everyone it’s come off the rails again.
"They’ve lost their last two if you include the penalty shoot-out and Mourinho is under pressure.
"I don’t believe he’s lost the dressing room but as a team they’re way off their best."
Molby will be hoping this Chelsea side remains short of their best this weekend, with Liverpool going in search of their first league win under Jurgen Klopp's management.
Liverpool have struggled for goals so far this season, but have only lost two games going into this encounter, compared to Chelsea's five. Draws have been more of a problem for Liverpool, while Mourinho's side have been experiencing defeat far too often for a side that won the title only five months ago.
The Reds would love to heap the misery on Mourinho as they seek to build some momentum into their season, with some very difficult fixtures still to come within the next month as they look to improve on the ninth position they currently occupy in the Premier League standings.
It does seem to be the kind of game that could prove pivotal in the context of both side's season.