After the first defeat following 32 games without a loss, Robert Lewandowski's comment might draw the current picture of the 2020 treble winners' situation.
At the same time, after entering the relegation group, Guangzhou R&F will try to secure its next season's CSL ticket in the second session games.
In Saturday's other fixtures, Atalanta dominated Torino 4-2, while newly-promoted Benevento stunned Sampdoria 3-2. Enditem
With Ji Xiang's smart side volley and Zhang Boyu's header successively missed target in Shenzhen's offense, Suning led off a more fierce attack. In the 28th minute, Teixeira made full use of Li Ang's penalty and helped Suning take a 1-0 lead.
Portu opened the scoring in the 55th minute from a tight angle after a pass from Mikel Merino, and Adnan Januzaj doubled the visitors' lead 13 minutes from time from the penalty spot after he had been clipped in the Elche area.
The Portuguese club have confirmed the move, which will see Nicolas Otamendi move in the opposite direction.
In Sunday's other fixtures, Sassuolo enjoyed a 4-1 victory over newly-promoted Spezia, while Hellas Verona edged past Udinese 1-0. Enditem
Two other Turkish teams, Galatasaray and Basaksehir, have also shown interest in the 26-year-old player.
Bayern looked more active but wasn't able to create clear-cut chances against a well-positioned Hoffenheim defence.
21-year-old Guo Tianyu is the newest youth footballer shining bright this season, and his first CSL goal gave Luneng a 1-0 win over giants Evergrande.
Qin Haiyang from Shanghai, who finished second in the preliminary final of the 400m event, missed the final, after he failed to make the top eight in a selection of physical tests, according to a new requirement of the championships.