Alba had to limp off in the 74th minute and was replaced by new signing Sergino Dest, who played on the left of the Barca defense, despite being right-footed.
Palmeiras has not lost since a 1-0 defeat to Corinthians in the Sao Paulo state championship on July 22.
In women's actions, top seed Simona Halep took sweet revenge on her opponent from last year's French Open defeat, trouncing American teenager Amanda Anisimova 6-0, 6-1 to progress.
Dominic Thiem of Austria hits a return during the men's singles quarterfinal match against Diego Schwartzman of Argentina at the French Open tennis tournament 2020 at Roland Garros in Paris, France, Oct. 6, 2020. (Photo by Aurelien Morissard/Xinhua)
Sunday's rivals are Europa League champions Sevilla, and Koeman's big issue is in defense thanks to the red card shown to Clement Lenglet against Celta on Thursday.
Luis Enrique has handed a first call up to Levante midfielder, Jose Campana, while recalling Dani Caballos (Arsenal) and Sergio Canales (Betis) to a 25-man squad.
Koeman had made no secret that he wanted the duo and the failure to sign Garcia leaves Barca looking especially lightweight in central defense, where they only have Gerard Pique and Clement Lenglet, with Ronald Araujo to provide cover.
NANNING, China, Oct. 3 (Xinhua) -- The 2020 Guilin-Ziyuan international cross country race kicked off on Saturday in Ziyuan County, south China's Guangxi Zhuang Autonomous Region.
"To stand in his way would not be just reward for the service he has given us, and we wish him the best."
"We stop, we come back, we stop on the changeovers. I think this is a little bit dangerous for the body with these very heavy conditions."
"I think I played a really good match. I was very aggressive. I knew from last year I had to change something, so I really wanted to be better than last year and definitely, I was today," said the world No. 2.