In 1431 he was made seignior of Borgo San Sepolcro by Papal decree, but the following year he lost it when he served under the Florentines, whose armies he led from June 1423 to May 1434, with intervals as Papal commander-in-chief in 1424 and 1428–1432, and commander of Milanese troops in 1432.
In 1431 he was appointed lord of Borgo San Sepolcro by papal edict, but the following year he lost it when he served under the Florentines, leading their armies from June 1423 to May 1434, with intervals as commander-in-chief for the pope in 1424 and 1428–1432, and commander of Milanese forces in 1432.