To coach in Germany's top three leagues, one must obtain a football coaching licence, and the country has a strict and selective education system, he explained: "Each year, only 24 or 25 applicants are accepted at the only education venue, the Hennes-Weisweiler Academy in Cologne."
PP Sports, owned by Chinese retail giant Suning Group, had signed a three-year deal with Premier League in 2016. The broadcaster has reportedly withheld a payment of 160 million pounds rights fees which were due to happen in March.
The reasons seem apparent in Klein's view.
In the other two clashes of the day, Hunan Hualai beat Zhejiang Energy to remain in third place, while Shenzhen Nankeda whitewashed Jiangsu in 5-0 to clinch their second win of the season. Enditem
The organizers designed a route with a 17km climb before the finish line, which seemed like it might bring about some interesting developments on the rugged, narrow mountain road.
"So you have to make her in trouble. That's what I like and it was a great challenge for me today. I did well in this challenge and I can take the happiness for it, and now I'm after another one."
Members of the US women's team filed a lawsuit against their federation in March because of alleged discrimination over wages. A federal judge ruled against the players, who have since lodged an appeal.
There were also second round wins for fourth seed Stefanos Tsitsipas of Greece, fifth seed Alexander Zverev of Germany and seventh seed David Goffin of Belgium.
Earlier, sixth seed Petra Kvitova of the Czech Republic edged past Ukraine's Kateryna Kozlova 7-6 (3), 6-2, and eighth seed Petra Martic of Croatia beat fellow Ukrainian Kateryna Bondarenko 6-3, 6-4 to also advance into third round. Enditem
His contract with Real Madrid runs to June 2022, but Bale has refused to rule out a move, either this summer or in January.
On October 12, Dragan Skocic's men will host Tajikistan in the Iranian capital Tehran.