Sarri's comments offer a huge contrast to the war of words Mourinho was embroiled in with Antonio Conte during his reign as Chelsea manager this time previous year, with the current incumbent in the Blues hot-seat downplaying that spat.
Manchester City are a best-priced 1/12 to beat Burnley, Liverpool are a general 1/3 to win away at Huddersfield and Chelsea are 8/11 to beat Manchester United.
Lawro is sitting on the fence for this one, and predicting a 1-1 draw.
The 29-year-old enjoyed his best moment in a United shirt before the worldwide break when he popped up with the victor against Newcastle but that was his first goal since April and his performances have been average to say the least during that period.
Sarri also had praise for his counterpart Mourinho, who will make another return to the ground where he won three Premier League titles across two separate spells. His side now sit eighth in the table, seven points behind his former club.
"Their result against Newcastle covered over all the cracks".
When asked whether Mourinho is getting the respect he claims he deserves, Sarri offered up this response: "I think no at the moment, but I am not really sure because I don't want to read anything".
Merson added: "If United do lose, the pressure will nearly certainly crank up again on Jose Mourinho".
The Portuguese coach has lost on each of his three visits to former club Chelsea since talking over at Old Trafford in 2016.
You'd have to say that the best way to get back at them, however, would be to turn around a very slow start to the season.
Manchester United are the strongest team in the Premier League on a player-by-player basis, according to Chelsea head coach Maurizio Sarri.