Athletic Bilbao ended Sevilla's unbeaten start in La Liga with a 3-1 victory at San Mames on Saturday.
Substitute Sergio Araujo scores a late equaliser for Las Palmas as Real Madrid fail to win for the second successive game.
Midfielder Vicente Iborra has to go in goal as Sevilla have Salvatore Sirigu sent off in a defeat at Athletic Bilbao.
Barcelona coach Luis Enrique conceded the 5-0 scoreline flattered his side as they comfortably came through their first La Liga match without the injured Lionel Messi against Sporting Gijon.
Barcelona stopper Marc-Andre ter Stegen appeared to handle outside the area during the win over Sporting Gijon - but escaped a booking.
Barcelona overcome the absence of Lionel Messi to win ruthlessly at 10-man Sporting Gijon as Neymar scores twice late on.
Real Madrid goalkeeper Keylor Navas could make his first start of the season against Las Palmas on Saturday, live on Sky Sports 5 HD from 7.30pm.