 Complete the following phrase:  Del Piero began the following campaign strongly by winning the 1997 Supercoppa Italiana, forming a strong offensive unit with Juventus teammates Zinedine Zidane in midfield, and newcomer Filippo Inzaghi upfront. The 199798 Serie A campaign was his best season yet, as he scored a joint career best of 21 goals in Serie A, and finished top scorer in the 199798 UEFA Champions League with 10 goals, one of which included a freekick and a hat-trick against Monaco in the semi-finals. With these goals, he helped Juventus to reach their third consecutive 