 With Juventus, Porrini won two Serie A medals, one Coppa Italia medal, and a Champions League medal during his four seasons with the team, as well as the Supercoppa Italiana, the UEFA Super Cup, and the Intercontinental Cup.Porrini subsequently joined Scottish club Rangers in 1997, for £4 million and won two Scottish Premier League and Scottish Cup medals, as well as a League Cup title during his four seasons in Scotland.He started off his Rangers career at centre-back alongside Richard Gough but new manager Dick Advocaat soon moved him to right-back where he remained until he left the club in 2001.