SERGIO Aguero, 24, is a thorn in the side of Manchester United. The Argentine striker (前锋) plays for Manchester City. On April 8, he scored in the 78th minute in a match against Manchester United. His goal helped his team to win. Aguero has a history of making trouble for the other team in Manchester. Last season, he scored against Queen’s Park Rangers club during injury time (伤停补时阶段). With that goal, his team took the Premier League title from Manchester United. 21ST