While there he summoned Giovanni Sforza, who arrived with his wife, June 16, 1495, remained four days, and then went back to Pesaro.[42] The King of France succeeded in breaking his way through the League's army at the battle of the Taro, and thus honorably escaped death or capture.
Having returned to Rome, Alexander established himself still more firmly in the holy chair, about which he gathered his ambitious bastards, while the Borgias pushed themselves forward all the more audaciously because the confusion occasioned in the affairs of Italy by the invasion of Charles VIII made it all the easier for them to carry out their intentions.
Lucretia remained a little longer in Pesaro with her husband, whom Venice had engaged in the interests of the League.

Giovanni Sforza, however, does not appear to have been present either at the battle of the Taro or at the siege of Novara.

When peace was declared in October, 1495, between France and the Duke of Milan, whereby the war came to an end in Northern Italy, Sforza was able to take his wife back to Rome.
Marino Sanuto speaks of her as having been in that city at the end of October, and Burchard gives us a picture of Lucretia at the Christmas festivities.
While in the service of the League Sforza commanded three hundred foot soldiers and one hundred heavy horse.

With these troops he set out for Naples in the spring of the following year, when the united forces lent the young King Ferrante II great assistance in the conflicts with the French troops under Montpensier.

Even the Captain-general of Venice, the Marchese of Mantua, was there, and he entered Rome, March 26, 1496.
Sforza with his mercenaries arrived in Rome, April 15th, only to leave the city again April 28th.