Meanwhile, the 2-0 defeat against underdogs FC Augsburg showed that Dortmund hasn't solved the problems that have accompanied the side over recent years.
A joint team from Zhejiang, Jiangsu, Hubei and Shandong broke the world record of the mixed 4x100m medley relay in the preliminary heats, and also won the title in the final in 3:39.40.
All eyes were on Messi after a summer in which he had asked to leave the club and only two days after he had criticized the departure of Luis Suarez, but Fati was the star of the show.
Patrick Bamford became the first Leeds United player to score in each of the first three matches of a season as his 88th minute header gave his side all three points from their short trip to play Sheffield United.
Despite a difficult day, Hamilton retains the lead in the drivers' championship with 205 points, though Bottas has closed the gap and now sits second with 161 points, with Verstappen third on 128 points.
Shenhua will play the next stage against city rivals SIPG, who have already qualified in the top spot of Suzhou Division.
The match had been suspended by a Rio de Janeiro labor court on Saturday but the decision was overturned by a senior judge just 10 minutes before kickoff. The game eventually started more than 20 minutes late.
Jiangsu had five players scoring in double figures, led by Jiang Jiayin's 17. Liang and Gong scored 14 points apiece.
Celta meanwhile will put their faith in Aspas, who has already scored three goals this season and will be a handful for the Barca back line.
Messi wrote a letter on Friday to say 'goodbye' to this friend and former Barcelona strike partner Luis Suarez and to criticize Barca for forcing the Uruguayan out of the club. It didn't take Suarez long to add his own post-script to Messi's words, although it was his feet that did the talking in his Atletico Madrid debut on Sunday. Suarez needed just seven minutes to set Marcos Llorente through on goal to score Atletico's fourth goal in a 6-1 win at home to Granada.
The top seed is to kick off his bid for an 18th Grand Slam title with a first-round game against Sweden's Mikael Ymer.