Top Rank scored a victory Tuesday in its legal battle with rival promoter Golden Boy over the promotional rights to unified bantamweight titleholder Nonito Donaire. Two weeks ago, Golden Boy signed Donaire to an exclusive multiyear agreement, although Top Rank claimed he was still under contract to Bob Arum's company. On Tuesday, Top Rank announced that arbitrator Daniel Weinstein, a retired judge, had prohibited Golden Boy from promoting Donaire for the duration of Top Rank's exclusive promotional agreement. Read more: http://sports.espn.go.com/sports/boxing/news/story?id=6272201