 Complete the following phrase:  The season is considered one of the best in Ronaldinhos career as he was an instrumental part of Barcelonas first Champions League title in 14 years. After winning their group convincingly, Barcelona faced Chelsea in the round of 16 for a rematch of the previous year. Ronaldinho scored a decisive goal in the second leg, going past three Chelsea defenders on the edge of the penalty area before beating the goalkeeper, sealing Barcelonas qualification to the next round. He also contributed one goal in Barcelonas elimination of Benfica in the quarter-finals with a 20 home victory. After a 10 semi-final aggregate win over Milan, in which Ronaldinho assisted the series only goal by Ludovic Giuly, Barcelona progressed to the 