Getty Images SportRichie MillsArne Slot compares Chelsea's spending to Man Utd as Liverpool prepare for 'biggest challenge' of season so farLiverpoolA. SlotChelseaManchester UnitedPremier LeagueLiverpool vs ChelseaArne Slot says Liverpool's upcoming clash with high-flying Chelsea is their "biggest challenge" of the season so far.Article continues belowArticle continues belowArticle continues belowArticle continues belowLiverpool face Chelsea this weekendSlot compares Blues to Man UtdSays clash is "biggest challenge" so farFollow GOAL on WhatsApp! 🟢📱