 Kunyora kuenderera kweiyi ndima - Mushure mekutanga basa rake rehutungamiriri muna 2003 nemapoka akati wandei madiki eItaly, Allegri akabatsira Sassuolo kuwana kukwidziridzwa kuSerie B kekutanga munhoroondo yavo, kuhwina mukwikwidzi weSerie C1 uye Super Cup mugore rimwe chete. Kubva muna 2008 kusvika 2010, akadzidzisa Cagliari muSerie A, achivatungamira kunzvimbo yavo yepamusoro muSerie A mumakore angangoita gumi nemashanu. Kuita kwake semurairidzi mukuru weCagliari kwakamuita kuti aende kuAC Milan muna 2010, kwaakagara kusvika muna Ndira 2014; akahwina Scudetto muna 2010-11, Milan yekutanga kubvira 2004, uye zita reSupercoppa Italiana muna 2011. Pakati pegore ra2014 na2019, Allegri aive nebasa reJuventus, kwaakakunda mikombe gumi nerimwe: mazita mashanu akateedzana eligi kubva 2015 kusvika 2019, mazita mana eCopa Italia akateedzana kubva 2015 kusvika 2018 uye mazita maviri eSupercoppa Italiana 2015 na2018; akasvikawo kumagumo maviri eUEFA Champions League 2015 na2017ChiGerman. Akadzokera kuJuventus muna 2021, mushure memakore maviri ari kure nekutungamira. 