More than 25 million fans in China were estimated to have watched online as Wu Lei become the first Chinese player to score a goal in La Liga.
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Espanyol forward Wu Lei became the first Chinese footballer to score in Spain's top-division La Liga, netting his side's final goal in a 3-1 win.
Wu is the biggest name in Chinese football after finishing the 2018 Chinese Super League season as top scorer.
Gareth Bale marked his return from injury with a goal as Real Madrid continued their impressive turnaround in results by thrashing Espanyol 4-2.
Lionel Messi rewrote more history, while Liverpool recorded their best-ever start to the league. Here are the best numbers from the weekend.
Lionel Messi scored two spectacular free kicks as Barcelona thrashed local rivals Espanyol 4-0 in Saturday's Catalan derby.
I hope that everyone shows respect and that there's a good atmosphere," Barca coach Ernesto Valverde said of the Catalan derby with Espanyol.
Espanyol conceded in injury time to draw Valladolid 1-1 and missed a chance to take the outright lead in La Liga on Friday.
Marco Asensio scored in the first half and Real Madrid held on for a 1-0 victory over Espanyol in La Liga on Saturday.
Watford have signed defender Marc Navarro from Spanish side Espanyol on a five-year contract, the Premier League club said on Friday.
Atletico Madrid slumped to their first La Liga home defeat of the season as they were beaten 2-0 by Espanyol at the Wanda Metropolitano Stadium.
Espanyol's Gerard Moreno has given a young fan match tickets after she crossed off Lionel Messi's name in a homework assignment and put his instead.