Benfica sealed their 37th Portuguese league title on Saturday with a 4-1 victory over Santa Clara in the euphoric Stadium of Light.
With a two point lead over last year's champions Porto and their destiny in their own hands, Benfica quickly took control.
Haris Seferovic opened the scoring after 16 minutes. Joao Felix doubled the lead seven minutes later and Rafa Silva added a third before half time.
Seferovic added his second in the 56th minute. Mid-table Santa Clara, from the Azores, replied with a goal by Cesar three minutes later.
Porto beat Sporting 2-1.
At the final whistle in Lisbon, Benfica fans began to celebrate the title with a concert of air horns in the streets.
Haris Seferovic scored twice as Benfica sealed the Portuguese title at home against Santa Clara