GettyRitabrata BanerjeeSpecial clause means Man Utd can appoint Ruben Amorim without paying full €20m release clause for Sporting CP coachManchester UnitedSporting CPLiga PortugalPremier LeagueManchester United can reportedly rope in Ruben Amorim from Sporting CP without having to pay his current release clause in full.Article continues belowArticle continues belowArticle continues belowMan Utd could sign Amorim for a cheaper priceSporting CP have offered him new deal with three key clausesUnited face Leicester City in League CupFollow GOAL on WhatsApp! 🟢📱Article continues below