Chelsea have been undergoing training surveyed by Maurizio Sarri by focusing to sharpen their reactions ahead of the upcoming game on Saturday with Arsenal at home.
At the clubs Cobham base on Friday, players used new technology to calculate their reactions and give feedback on performance while Sarri observed.
This is set to be Sarri’s first home game as the coach of his new club and wants his troops to be tip top shape for their encounter.
(High spirits captured as Gary Cahill seen laughing)
(Giroud trainging ready to face his former club at Standford bridge)
(Hazard and perdro paired up for the drills)
The team were using motion sensor technology to test how fast their reactions were to see how fast they could get from one point to another.
The players had paired up head to head for the drills while the coaching staff were watching looking at the players progress