Benfica delivered the biggest margin of victory in the Primeira Liga for 55 years thanks to a sensational 10-0 hammering of Nacional.
Benfica appointed Bruno Lage as its new manager after impressing in his interim role, the club having failed to land Jose Mourinho.
Bas Dost has returned to Sporting CP and signed a three-year contract just five weeks after rescinding his previous deal as a result of being attacked by fans in May.
Portugal winger Nani has re-joined Sporting CP on a permanent basis more than a decade after originally departing for Manchester United.
Sinisa Mihajlovic has agreed to become the new manager of troubled Sporting Lisbon after signing a three-year-deal.
Benfica's players celebrated winning the Portuguese league by bringing a scooter into their dressing room before the trophy presentation.