In 1467 he was at the service of Florence , Milan and Naples against Bartolomeo Colleoni , and in 1471 again for Milan .
His first military deeds occurred only in 1477 when he besieged Faenza for the Sforza .
In 1467 he was at the service of Florence , Milan and Naples against Bartolomeo Colleoni , and in 1471 again for Milan , but his first military deeds occurred only in 1477 when he besieged Faenza for the Sforza .