Leaders Benfica remained three points ahead of closest rivals Porto after they shared a 2-2 draw at the Estadio da Luz tonight. All four goals were scored in a frenetic opening 20 minutes, highlighted by a wonder-strike from Benfica midfielder Nemanja Matic. Eliaquim Mangala sent Porto ahead on eight minutes but just moments later Matic unleashed a vicious angled volley from the edge of the area. Porto retook the lead through Jackson Martinez on 15 minutes but a hectic start continued as Nicolas Gaitan equalised again two minutes later. That was the end of the scoring, however, as both sides maintained their unbeaten start. Porto have a game in hand to close the three-point gap. Vitoria Setubal climbed out of the relegation zone with an emphatic 5-0 win over nine-man Moreirense. Albert Ze Meyong\'s completed a hat-trick on 48 minutes to put the hosts out of sight. Moreirense had already had Borges Wagner sent off on 38 minutes and when Augusto followed five minutes after half-time the game was up for the last-placed visitors. Pedro Santos and Bruninho put the seal on an emphatic win. Pacos Ferreira and Rio Ave consolidated their positions in the UEFA Europa League places with 1-0 wins over Academica and Gil Vicente respectively. Christopher Hurtado netted a 52nd-minute winner for Pacos who had Ricardo sent off late on. Ferreira Marcelo grabbed the away winner on 35 minutes for Rio Ave. Goals from Zakaria Labyad and Adrien Silva in each half fired Sporting Lisbon to a 2-0 success at Olhanense. From FIFA