Chelsea’s Spanish defender Marc Cucurella (C) jumps to head the ball during the English Premier League football match between Chelsea and Bournemouth at Stamford Bridge in London on December 27, 2022. (Photo by Ian Kington / AFP)Kai Havertz and Mason Mount’s early strikes helped Chelsea ease to a 2-0 win over Bournemouth on Tuesday to snap a dismal run of five Premier League games without a win.Graham Potter’s side endured a torrid spell before the World Cup but sparkled on their return to Stamford Bridge against the struggling Cherries to move eighth, six points shy of the top four with a game in hand to come.However, victory came at a cost as defender Reece James limped off on his return from the knee injury which kept him out of England’s World Cup campaign.James cruised through the first half but called for a substitution early in the second, pointing to his knee before going to ground and being replaced by Cesar Azpilicueta.Potter, aiming to avoid overseeing a fourth consecutive Chelsea league defeat for the first time since 1998, handed Denis Zakaria his Premier League debut.The Swiss midfielder broke forward well to drive Chelsea up the pitch in the first half, while the effervescent duo of Raheem Sterling and Christian Pulisic led the Bournemouth defence on a merry dance.Sterling provided the opener with an incisive low cross to the back post where Havertz slid in to convert in the 16th minute.Pulisic could easily have won a penalty when he was pulled back but referee Simon Hooper waved away his appeals.Mount doubled the lead with a well-taken drive from the edge of the box in the 24th minute as Chelsea stepped up another gear before Pulisic had another goal disallowed for a foul by Havertz in the build-up.After