Complex sentence: Due to legal reasons and the mayor opting out of his ambitions of buying the team, they had to retain the ownership of the team and got back to their feet as the quickly got set to build a decent team with hopes of achieving the silverware.
Split into simpler sentences: Due to legal reasons and the mayor opting out of his ambitions of buying the team, they had to retain the ownership of the team. The management got back on their feet and got set to build a decent team with hopes of achieving the silverware.