Benfica beat Boavista 1-0 at the Bessa Stadium in Porto in the second round of the Portuguese league.
Eliseu scored in the 44th minute with an effort from outside the area following a pass by Andre Almeida Sunday, reports Xinhua.
The left-winger almost scored in the 22nd minute but his effort was saved by goalkeeper Monllor.
Benfica's head coach Jorge Jesus was expelled in the second half, giving Boavista a confidence boost, but it was Benfica that wasted the most scoring chances through Talisca, Gaitan and Salvio.