 Complete the following phrase:  Milan won a tenth league title in 1979, but after the retirement of Gianni Rivera in the same year, the team went into a period of decline. The club was involved in the 1980 Totonero scandal and as punishment was relegated to Serie B for the first time in its history. The scandal was centred around a betting syndicate paying players and officials to fix the outcome of matches. Milan achieved promotion back to Serie A at the first attempt, winning the 198081 Serie B title, but were again relegated a year later as the team ended its 198182 campaign in third-last place. In 1983, Milan won the Serie B title for the second time in three seasons to return to Serie A, where they achieved a sixth-place finish in 