straight to your inboxMicah Richards said Kalidou Koulibaly's asking price should be £20m lower after Napoli's Champions League exit and compared the defender to Eliaquim Mangala.Manchester City are looking to sign the defender as part of Pep Guardiola's rebuild for next season. Nathan Ake has already been secured from Bournemouth in a £40m deal but the Blues are still chasing a long-term partner for Aymeric Laporte to belatedly replace Vincent Kompany.