The Barcelona-based sports press report than Barca are closing in on a deal to sign Ajax's 19-year defender Sergino Dest and are also interested in Norwich City's Max Adams as replacements.
Chongqing nearly scored their third before the break when Fernandinho got an exquisite pass from Adrian, but his shot hit the post.
Leandro Martinez gave the hosts hope by combining with Cristian Colman and beating goalkeeper Cesar at his near post after some sloppy Flamengo defending.
Qingdao scored the consolation goal from Denis Popovic's penalty in the dying minutes.
Saba joined Guangzhou R&F in January 2019 and scored 18 goals in 36 appearances.
The Austrian team took the lead just eight minutes later, as Japanese midfielder Masaya Okugawa received an accurate pass from substitute Sekou Koita of Mali and scored the winning goal.
"You deserved a farewell befitting who you are: one of the most important players in the history of the club, achieving great things for the team and on an individual level," commented Messi on social media.
Both sides struggled to create clear scoring opportunities, but as the match seemed to head for a draw, a low drive from Quintana put Chengdu ahead in stoppage time.
When winning his fourth trophy, the game against the Spaniards delivered convincing arguments to back his demand for new signings to make his squad strong enough to defend as many of the trophies as possible.
Knowing that a two-goal margin win would secure their place in the Round of 16 alongside Al Ahli and ahead of Al Shorta, Esteghlal pressed hard from the outset and opened the scoring in the 29th minute when Mehdi Ghaedi, assisted by Farshid Esmaeili on the edge of the box, drilled a powerful drive that nestled into the bottom corner despite Al Owais' best efforts to save the shot.
SUZHOU, China, Sept. 22 (Xinhua) -- Hulk scored from the penalty area as Shanghai SIPG beat Shijiazhuang Ever Bright 1-0 in the 12th round of the Chinese Super League (CSL) here on Tuesday.