The Viola fought back to restore the lead as Gaetano Castrovilli finished with a low-strike in the 57th minute, six minutes before Federico Chiesa finished from Franck Ribery's assist.
Brazil's Gremio also secured their place in the tournament's next phase on Tuesday, with a 2-0 home win over Chilean side Universidad Catolica. Pepe and Antonio Rodrigues were on the scoresheet for the Porto Alegre outfit.
Celta held Barca to a 2-2 draw last season, with Iago Aspas netting a late equalizer and the now departed Luis Suarez scoring twice for Barca, so Thursday will be an indication as to how the two teams have evolved in the last three months.
Also on Saturday, Andre Villas-Boas' Marseille, still struggling for a win, was held by Metz 1-1 at home.
James Maddison and Youri Tielemens also scored for Leicester with Nathan Ake scoring an 84th minute goal for the home side, who were without Aymeric Laporte and in Ake and Eric Garcia played two central defenders each below six feet in height.
The Spaniard has won 94 matches at Roland Garros and if he can make it all the way to the final this year, there is a chance for him to equal old rival Roger Federer's record of 20 major titles in his remarkable 100th win at the clay Grand Slam.
However, West Brom's defense is also porous and after Mason Mount gave Chelsea a lifeline in the 55th minute, Callum Hudson-Odoi netted their second with 20 minutes left to play to set the stage for Abraham's late equalizer.
"If we don't have advantage on strength, we should be much more confident than our opponents, and showing a stronger will to win," he added.
Zhang had just broke the national record in the preliminary final on Sunday night in a time of 52.90 seconds. She led in the first 50 meters in the final, but Yang raced ahead of her in the last moment.
Attracting around 300 of China's top swimmers, the 2020 Championships are being held from September 26 to October 2 in Qingdao.
ASUNCION, Oct. 1 (Xinhua) -- Santos rallied from a goal down to win 3-2 at Olimpia and secure a berth in the Copa Libertadores knockout phase on Thursday.