How many premier league trophies did Sir Alex Ferguson win during his time at Manchester United?
Explanation
Sir Alex Ferguson won 13 Premier League trophies during his time as the manager of Manchester United. This extraordinary achievement makes him the most successful manager in the history of the Premier League. Ferguson's remarkable tenure at the club, which lasted from 1986 to 2013, was characterized by his exceptional leadership, tactical prowess, and ability to assemble and nurture talented players. His 13 Premier League trophies highlight his dedication, consistency, and immense impact on Manchester United's success during one of the most competitive periods in English football.