Aug 11 (Reuters) - Bayern Munich, who won an unprecedented Bundesliga, German Cup and Champions League treble last season, got their new Bundesliga season off to a winning start by beating Borussia Moenchengladbach 3-1. Manchester United won the English season-opening Community Shield, beating FA Cup winners Wigan Athletic 2-0 with two Robin van Persie goals, and 64 million euro signing Radamel Falcao marked his debut for big-spending Monaco with a goal on their Ligue 1 return. ... More...