Elhami was banned from coaching activities by the Disciplinary Committee of the Iranian Football Federation.
"The result didn't meet my expectations, I was thinking about 20.50s or so," said Xie.
"When the years are passing, you are trying to win as much as you can - and when you win, you want to win more. I think this club describes what I am as well; I want to achieve all of the goals, win as many trophies as possible," said the midfielder.
The third goal took the wind out of Mainz' sails as Zentner had his hands full of work. Dani Olmo should have made it 4-1 but Zentner denied him at the hour mark.
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.
China's Xiao Guodong, Zhao Xintong and Zhou Yuelong have passed the first stage. World number one Judd Trump also reached the second stage. Enditem
"The cap is like a brake to the cost of salary, which has been increasing too fast in recent years. We all need a balanced league because the players' income will finally be effected if the club keeps losing money."
The big game on Sunday sees Real Madrid make their league debut away to Real Sociedad and it will be interesting to see how Zinedine Zidane's side perform and whether Martin Odegaard, who returns after a successful season on loan in San Sebastian, plays a part in the game.
The prolific Norwegian striker had another chance later but defender Nico Elvedi blocked his effort.
The decision was widely welcomed not only by professional football clubs but other sports such as handball and basketball.
"I feel unhappy even though I won. The result is not good, my friend Ge could have done better than me," said Kong.