Hazard was one of the main catalysts that drove the Blues to the Premier League title last season as he deservedly won the coveted PFA player of the season award.
However his and his side's form and performances have took a nose dive this campaign as he has failed to score in the league this season. It worsened on Wednesday night as the Blues crashed out of the Champions League once again to Paris Saint-Germain.
Laurent Blanc's side took the lead through Adrien Rabiot's opener, which was canceled by Diego Costa, but a second-half effort from Zlatan Ibrahimovic settled the tie.
It was another night to forget for the Belgian as he was criticised for swapping shirts with Angel Di Maria, before being booed off the field after coming off with hip and groin issues.
Here to help
The player's father said that the 25-year-old had been struggling with the problem for several months but in his pre-match conference, Hiddink suggested that wasn't the case.
He said that his father made a "fair judgment" but he wasn't "absent of injury" and that he had his "concerns about him". Hiddink did say the club were "trying to help him" and that he would be available for the trip to Goodison Park.
Victory in Saturday's evening clash is crucial for Hiddink, as Wednesday's exit means that the FA Cup is Chelsea's final opportunity of silverware this season.
The Dutchman thinks that they are a club in transition, saying that the club must consider their "short-term future". He believes they are in a "transitional period" and need to look at how they can gain the "lost terrain" from where "they used to be".
Chelsea will visit Everton at Goodison Park on Saturday, March 12 with kick-off at 5:30pm GMT.