ShareWith second-place Real Madrid facing Atletico Madrid later on Sunday, LaLiga leaders Barcelona took advantage to go seven points clear.Ronald Araujo scored the only goal as Barcelona moved seven points clear at the LaLiga summit with a nervy 1-0 victory over Rayo Vallecano.The skipper's first-half header proved the difference as Hansi Flick's side claimed their fifth straight league win, though they were holding on towards the end at Camp Nou.Vallecano almost broke the deadlock inside the opening minute following a swift counter that culminated in Joan Garcia producing a superb point-blank save to deny Carlos Martin.Raphinha dragged wide at the other end when one-on-one with Augusto Batalla, who also denied the forward's lobbed attempt before Araujo nodded in Joao Cancelo's corner on 24 minutes.Batalla made a wonderful save to deny Raphinha's deflected effort soon after, while Lamine Yamal shot narrowly wide in the 57th minute.Vallecano, who reached the UEFA Conference League quarter-finals in midweek, went in search of a late equaliser, but Garcia made a smart save to deny Jorge de Frutos in the 89th minute as Barca held on.Data Debrief: Barca just about stay perfect at homeBarca have equalled their longest run of LaLiga home games without conceding against Vallecano (four), matching their streak from between 1993 and 1997.The Blaugrana have won all 15 of their LaLiga home matches this season. Juventus (19 from 19 in 2013-14) are the only team with a better 100% record across the big five European leagues in the 21st century.Barca have now scored in each of their last 39 home games in all competitions, their best run since a 45-game streak between February 2018 and October 2019 under Ernesto Valverde.Araujo was the hero with his third LaLiga goal of the season. It is the defender's second-highest tally in a single campaign in the competition (four in 2021-22).