Marco Asensio's goal was enough to seal Real Madrid a 1-0 victory over Espanyol that lifted them to the top of La Liga.
Asensio's low angled finish shortly before the break sealed Real a third straight home win, but they were far from convincing against dogged opponents.
Julen Lopetegui's side dismantled Champions League rivals Roma at the Bernabeu in midweek, but lacked the same fluency against Espanyol, for whom Borja Iglesias struck the crossbar in the second half.
Real forward Gareth Bale, a goalscorer in midweek, was an unused substitute at the Bernabeu on Saturday as Lopetegui rotated his squad.
Atletico Madrid followed up their midweek Champions League win in Monaco with their first victory on the road in La Liga this season as they won 2-0 at neighbours Getafe.
David Soria's own goal, after Thomas Lemar's shot had hit the crossbar, gave Atletico a half-time lead and Lemar struck their second on the hour-mark to lift his side into the top five.
Leonardo Suarez struck a stoppage-time equaliser for Real Valladolid, who twice hit back from two goals down to draw 3-3 at Celta Vigo.
Suarez struck from close range in the fourth minute of time added on to rescue a point for Valladolid, but they have still not won in LaLiga this season.
Iago Aspas and Maxi Gomez put Celta 2-0 up inside 10 minutes before Valladolid replied through Oscar Plano's header shortly before half-time.
Aspas restored Celta's two-goal lead early in the second period, but Enes Unal struck for the visitors with 25 minutes left and Suarez's last-gasp effort rescued them a point.
Alaves maintained their impressive start to the season with a thumping 5-1 win at 10-man Rayo Vallecano in a lunch-time kick-off.
Rayo striker Raul de Tomas cancelled out Ximo Navarro's early opener for Alaves, but Ibai Gomez restored the visitors lead before home defender Abdoulaye Ba was shown a straight red card for violent conduct.
Jonathan Calleri headed Alaves' third early in the second half, Gomez fired his second and substitute Burgui completed the scoring in stoppage time.
Kike's solitary strike, early in the second half, secured Eibar a 1-0 home win against Leganes, who have yet to register their first league win and stay bottom of the table.