The Argentine had been at AC Milan for the start of this season, scoring eight goals in 22 games. If we had a striker that could score three goals, the game would have finished 5-1.
Sarri will assesses the fitness of new signing Gonzalo Higuain and Ruben Loftus-Cheek, who is back in training after a back injury, but Victor Moses has left on loan.
But, by the looks of the 31-year-old in training, he could very well slot straight into Chelsea's starting XI against Sheffield Wednesday or Bournemouth in the Premier League because he appears to be in fine form.
"I question the mobility of Higuain and I question his ability to lead the line the way that Chelsea really need to. Yes of course", Hazard said.
"I think Higuaín is this kind of player, he can also link with the winger with the midfield, and he can also be the proper striker".
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"He's a player who can score in many ways so we hope that he can bring his qualities to this team - at this moment it is very much necessary".
But now, he looks in top shape but like Honigstein many pundits are sceptical of the fact that the Blues might have gotten it wrong by pinning their hopes on a 31-year-old.
"We know that he is coming from a different league where maybe the intensity is a little lower, but he has scored everywhere and in the Champions League". He always scored goals and he's going to do the same here.
"I think he has to do more because his potential is higher than his recent performances", the Italian tactician was quoted as saying by Marca.
I just want to do my best for this team, ” said Hazard after the Blues beat Tottenham on penalties to reach the Carabao Cup final.
Higuain, who could make his debut in Sunday's FA Cup fourth-round tie with Sheffield Wednesday at Stamford Bridge, has played in Spain and Italy, enjoying the best season of his career under Chelsea boss Maurizio Sarri.