Chelsea’s returned to training on Friday with Steve Holland and Eddie Newton taking the reins after Jose Mourinho’s axe.
Mourinho was sacked by the Premier League champions on Thursday with the club languishing at the wrong foot of the table.
It came just seven months after lifting the title, which was followed with Mourinho agreeing a lucrative four-year deal at Stamford Bridge.
Chelsea have lost nine times already this season and another defeat to the lowly Black Cats could see them drop into the relegation zone.
Guus Hiddink remains the hot favourite to take over at Stamford Bridge until the end of the season with Pep Guardiola and Diego Simeone tipped as long term replacements.
But with no deal yet in place, Holland and Newton have taken training today and look set to be in charge for Saturday’s encounter with Sunderland.
Holland was assistant to Mourinho and is said to have earned the respect of Roman Abramovich after standing up to the Portuguese boss.
He was an exception to a predominantly Portuguese backroom staff and will remain at Stamford Bridge.
Newton meanwhile had been in a Loan Player Technical Coach role, working with players out with other clubs on a temporary basis.
He was assistant to former team-mate Roberto Di Matteo during his brief spell in charge of the club, which saw them lift the Champions League.