The world 10,000m bronze medalist Agnes Tirop of Kenya will also spice up the 3,000m event.
Mendy will provide competition for Kepa Arrizabalaga, who is the most expensive keeper in the world after joining from Athletic Club in 2018.
But Flamengo defended stubbornly thereafter to secure their third win from four matches.
Villarreal kicked off the season with a win and a draw, but strikers Gerard Moreno and former Barca frontman, Paco Alcacer have already shown they can trouble and defense in La Liga.
Selby had smashed Ding 5-1 in the quarterfinal before defeating Murphy 6-3 to reach his 27th career ranking final.
Wagner is putting a brave face on everything and is optimistic about sparking a successful turnaround despite reports he has already lost his players' trust.
The first half saw fierce confrontation from both sides, as Hebei was eager to win a ticket to the championship game, while Tianjin had good morale from the latest match, and didn't want to lag behind.
Guangzhou regrouped after the interval and levelled in the 71st minute when Wu Chao slotted the ball into the net after collecting a pass from his teammate in the box.
Real Madrid kicked off with a 0-0 draw away to Real Sociedad in their opening game, which again highlighted their problems in creating chances. Zinedine Zidane is still likely to be without Eden Hazard and Marco Asensio due to fitness problems, and there is a slight doubt over Martin Odegaard, who returned a positive COVID-19 test result, followed by a negative in a second test on Tuesday.
The 24-time Norway international follows Josep Martinez, Hee-Chan Hwang, Benjamin Henrichs, Lazar Samardzic and Angelino as the sixth new arrival of the summer transfer period.
Real opened their season with a 0-0 draw away to Real Sociedad on Sunday after 90 minutes where they controlled the ball for large periods, but failed to create the clear chances needed to take all three points. It's true they still lack match practice after just one warm up game and that Martin Odegaard gave glimpses that he will slot into the side with few problems. Meanwhile the return of Eden Hazard, Marco Asensio and Isco after injury should also help Zinedine Zidane, but for the moment it looks as if scoring enough goals is again going to be Zidane's main headache this season.