(ANSA) - ROME, JUN 16 - Former Sporting Lisbon and Manchester United boss Ruben Amorim is AC Milan's new coach after signing a contract with the seven-time European champions for the next two seasons, sources said on Tuesday. The Serie A giants will officially announce the news within hours, the sources said. The 41-year-old from Lisbon had been out of work since being fired by United in January. Amorim is replacing Massimiliano Allegri, who was sacked after a slump in form in the latter stag...