In Mainz, Hungary captain Szalai is said to have raised the issue of deferred payments the players were promised when they waived their salaries during lockdown with the club's board on behalf of the team.
In the 68th minute, Shenhua new signing Fidel Martinez got off the bench and made his debut in the CSL.
Andre Villas-Boas' side beat PSG 1-0 last Sunday, ending a nine-year winless run against the old rivals, but suffered a bitter 2-0 defeat to St-Etienne on Thursday.
Using 100% clean energy for the Games venues, and natural carbon dioxide as refrigerant to lower carbon emissions to nearly zero in the ice-making process are some of the steps taken to make the Games green.
In other action, Hebei and Tianjin lost several chances to take a lead in the first half, when Hebei forwards Buya Turay and Markao failed to score in succession in the eighth minute, and Tianjin's 21-year-old midfielder Liu Ruofan missed three times in a row.
Betis are another team with two wins from two games after Nabil Fekir's penalty after 10 minutes and William Caravalho's powerful drive from outside the area eight minutes later gave the team from Seville a comfortable 2-0 victory against Valladolid and maintain new coach Manuel Pellegrini's perfect start.
"They managed to escape our pressing for over an hour," striker Thomas Mueller said. His statements indirectly back Flick's claim to get a right-back, a number 10 as a successor of the ball-machine Thiago and an additional winger.
The second half seemed to end in a draw, especially when both sides nearly ran out of stamina with more mistakes. Thanks to defender Ding Haifeng's accurate pass, Markao made a final hit for the Hebei side with a powerful header in the 91st minute.
The host's efforts paid off with 17 minutes played as Mainz' Leandro Barreiro fouled onrushing Dani Olmo inside the area. Forsberg broke the deadlock with a well-placed shot from the spot into the bottom right corner.
The two games ended a round of matches that saw Liverpool win 2-0 away to Chelsea on Sunday, while Arsenal beat West Ham United 2-1 and Manchester United were beaten 3-1 at home to Crystal Palace in their first league match of the campaign. Enditem
Brazilian news outlet O Globo said former Atletico Madrid duo Diego Ribas and Filipe Luis were among the players to test positive. Others were Chile international right-back Mauricio Isla, winger Bruno Henrique, forward Michael Delgado and defender Matheuzinho, the report added.