Barca remain on 34 points and lead second-placed Real Madrid by four but their rivals now have two games in hand, while the victory moved Las Palmas up to 14th place on 15 points.
Barcelona cited UEFA rules preventing clubs from changing stadiums during the Champions League's opening phase and "the logistical difficulties and extra costs" if they kept open two grounds at the same time.
A product of Barcelona's youth academy, Bernal has made three league appearances since his debut for the senior team in their LaLiga opener against Valencia.
Barcelona's next away game is at Serbian club Crvena Zvezda in Belgrade on November 6.
Olmo will miss Barcelona's opening Champions League matches against Monaco and Young Boys.
The German coach took charge of his first home match since he was appointed in May.
Barcelona signed Spain star Dani Olmo from RB Leipzig on Friday for a reported 60 million euros ($65 million).
New Barcelona coach Hansi Flick on Thursday hailed the performance of the Spanish club's teenage winger Lamine Yamal at Euro 2024, calling it "unbelievable".
The No. 19 at Barcelona previously belonged to Vitor Roque for a brief period.
Barcelona move six points clear at the top of La Liga by easing to a 4-0 win at home to Deportivo La Coruna with doubles from Luis Suarez and Paulinho ahead of next week's 'Clasico' against champions Real Madrid.
Former Real Madrid and Spain midfielder Xabi Alonso suggests that Barca playmaker Lionel Messi used to create lot of problems for his team during Real Madrid's Jose Mourinho years.
Lionel Messi has never managed to score against Chelsea in his brilliant career and he will be looking to break this streak as Barcelona face Chelsea in the last 16 of the Champions League this season.
Barcelona’s star strike Luis Suarez opens up regarding Neymar’s move to PSG and suggests that he does not think that Neymar would move to Real Madrid.
Real Madrid fail to take advantage of La Liga leaders' Barcelona's 2-2 draw with Celta Vigo as they are held to a goalless draw at Athletic Bilbao, while Atletico Madrid profit by beating Real Sociedad 2-1.
Triple King's Cup holders Barcelona storm into the last 16 by hammering Real Murcia 5-0 with a second-string team, completing an 8-0 aggregate victory over the third division side.
Barcelona's record signing Ousmane Dembele is unlikely to return from a long injury lay off in time to face champions Real Madrid in the 'Clasico' at the Santiago Bernabeu on Dec. 23, coach Ernesto Valverde says.
Barcelona coach Ernesto Valverde praise his side's temperament to bounce back from being denied a clear opening goal scored by Lionel Messi and falling behind to salvage a 1-1 draw at Valencia.
Barcelona midfielder Ivan Rakitic suggests that he is not 100% certain whether club talisman Lionel Messi will remain with the Catalan club after his contract expires.
Juventus star Paulo Dybala has rediscovered his scoring form just in time as he renews his rivalry with fellow Argentina Lionel Messi in Wednesday's Champions League clash with Barcelona.