 Complete the following phrase:  The following season Di Matteo again proved his worth to the team, contributing ten goals and numerous assists, as Chelsea went on to claim the Football League Cup and the Cup Winners Cup, their first European honour since 1971. In the League Cup final, again against Middlesbrough, Di Matteo scored the second goal in a 20 win. Di Matteo played in midfield next to Gustavo Poyet, Dennis Wise and Dan Petrescu in the 199899 season as Chelsea finished third. During the 19992000 season Di Matteo was sidelined by injury but returned late in the season to score a handful of crucial goals, including his third Cup-winning goal at Wembley, once again in the 