Barcelona beat Real Betis 5-2 in Seville on Saturday, October 17.
Lamine Yamal curled a fine shot into the top corner in the 10th minute.
Valentin Gomez headed Betis level from close range in the 27th minute.
Rodri scored his first goal for the club with a header in the 41st minute.
Giovanni Lo Celso found the net, but VAR ruled the goal out for handball.
Gabriel Jesus scored in the 51st minute after Yamal set up the goal.
Abde Ezzalzouli beat the offside trap to bring Betis back into the game.
Facundo Bernal was sent off in the 54th minute after a clash with Yamal.
Eric Garcia scored in the 62nd minute and Dani Olmo added a fifth in the 81st.
Nine wins in nine league games matched Real Madrid's mark from 1968-69.
Barcelona visit PSG on Tuesday, then host Real Madrid in El Clasico next Sunday.
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