The Blues dropped to 11th in the Premier League table after suffering a 4-2 defeat to Wolves.
It is the tenth game Chelsea have lost in the league this season, and fans are beginning to grow impatient.
Pochettino has overseen just 15 wins in 31 matches as manager despite spending around £435million in the summer.
Wolves’ win takes them above Chelsea in the table and following the loss some fans have called for a change, with some keen to appoint Terry – who is a youth coach at the club.
Some supporters have even called for the return of Mourinho for a third stint, with the ex-manager out of work following his sacking by Roma last month.
One fan said: “Bring John Terry in and restore the pride.”
Another added: “Pochettino is worse than Potter and Frank… it’s clear. Bring in John Terry.”
A third wrote: “Get Mourinho and John Terry as assistant.”
And another commented: “Bring in John Terry Now. It’s not a tactical issue. It’s the players knowing that if the coach chooses you to play then you owe him your life on the field especially when it’s at Chelsea.”
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Mourinho won three Premier League titles with Chelsea across two spells, as well as the FA Cup.
He also won the League Cup on three occasions and is still a popular figure at Stamford Bridge.
Terry, 43, has had coaching spells at Aston Villa and Leicester and returned to Chelsea as Academy coach last July.