A state appeals panel affirmed a Cook County jury’s defense verdict in favor of a law firm sued for legal malpractice by a now-shuttered baseball league.The Northern League of Professional Baseball Teams sued Gozdecki, Del Giudice, Americus, Farkas & Brocato LLP and its associate Steven H. Leech in 2012, alleging they failed to include an exit fee within their league agreement.Without it, the plaintiff argued, the …