Jermain Defoe hailed one Chelsea man for his stellar performance in today’s demolition win against West Ham. Chelsea flexed their muscles on Sunday afternoon with an impressive 5-0 victory at home to West Ham in the Premier League. Following on from Thursday’s 2-0 success over Tottenham, Mauricio Pochettino’s side recorded back-to-back league wins in another London derby. Cole Palmer, Conor Gallagher and Noni Madueke all scored for the Blues during a one-sided first-half. Afterwards, Nicolas Jackson scored two second-half goals to help Chelsea temporarily jump up to seventh in the division tab…