Devin Haney, the former undisputed lightweight champion, has filed a lawsuit against Ryan Garcia and Golden Boy Promotions in New York. The legal action, initiated on Friday, alleges battery, fraud, and breach of contract in connection with their April title fight in Brooklyn. The bout, which initially saw Garcia floor Haney three times en route to a unanimous decision victory, was later overturned to a no-contest. This reversal came after Garcia tested positive for ostarine, a banned performance-enhancing drug. Haney is seeking unspecified damages, claiming he never consented to fight an oppo…