The 46-year-old talked about the efforts to, in the future, find talented young Chinese players to join the club in the Rhine-Ruhr-region.
Esteghlal parted company with Farhad Majidi at the end of Iran's super league season and reportedly has not reached an agreement with Italian coach Andrea Stramaccioni.
Earlier, Xiao opened his account by beating Farakh Ajaib 3-1 before drawing 2-2 with Jak Jones.
Maracana SA made the decision to carry out the unscheduled facelift to capitalize on a fixturing quirk that has left the stadium without football for almost two weeks.
Yet again, Slovan were close to sealing the victory after the home team's striker Ilmari Niskanen missed his attempt in the third round of the penalty shots but Slovan's Ratao and Nono failed to capitalize, sealing a 4-3 shootout victory for the Finns.
The ExCo approved the new List of Prohibited Substances and Methods for 2021, which will be published before October 1, 2020, and come into effect on January 1, 2021.
Upon receiving an update regarding ongoing discussions between WADA and the U.S. Office of National Drug Control Policy (ONDCP) at the ExCo meeting, Banka, who is also chair of the ExCo, said, "It is very important that WADA and the U.S. authorities work together to further strengthen anti-doping and again, I state my willingness to be part of constructive discussions in order to ensure collaboration between the U.S. and the global anti-doping community."
Thiago also thanked his former club, with which he had spent the previous seven years.
Dortmund CEO Hans-Joachim Watzke has demanded that everybody obey the rules and "diligently take the great chance we have been given in sports."
In other fixtures on Saturday, Bragantino beat Ceara 4-2 and Fortaleza overcame Internacional 1-0. Enditem
Gilvan Correa pulled a late goal back for the hosts with a stoppage-time header following an Everton Felipe corner.