The 23-year-old's displays last season earned him his first cap for Spain on September 6th as he started in his country's 4-0 UEFA Nations League win against the Ukraine.
Raul Jimenez put the away side in front with a half-volley from Castelo Podence's left-wing cross, before Romain Saiss's header from Neto's corner completed the scoring.
"To have kept the team together might turn into our big advantage," Borussia's managing director Max Eberl said.
Although he had become a scapegoat at Real Madrid over the past couple of seasons, Bale was greeted by around 100 fans at the Tottenham training ground when he reported for his medical on Friday.
Brazilian football was suspended in mid-March, just days after the World Health Organization classified the virus as a global pandemic.
Duisburg tried to keep pace but the "BVB" continued their relentless march, as Giovanni Reyna's deflected free-kick left goalkeeper Leo Weinkauf helpless five minutes into the second half.
Aleksandrs Samoilovs (L) of Latvia competes against Nikita Liamin and Taras Myskiv of Russia during the men's second round match at the 2020 CEV Beach Volleyball European Championships in Jurmala, Latvia, Sept. 19, 2020. (Photo by Edijs Palens/Xinhua)
Arsenal continued their winning start to the season against West Ham with goals from Alexandre Lacazette and young striker Eddie Nketiah, who scored the winner five minutes from time after Michail Antonio had equalized just before the break. Enditem
Despite several setbacks over the past few months, the 25-year-old is optimistic about turning things around wearing the shirt of Schalke 04, when facing 2020 treble-winning Bayern Munich in the 2020/2021 Bundesliga season opener this Friday evening.
"It's completely normal that we have to make another step because other teams will make other steps as well," said Klopp in an interview with Sky Sports News.
"It's an agreement by our clubs and investors. We are expecting to help them get reasonable control of the spending. Besides that, all of us want a more balanced league. Under the cap, the teams are encouraged to pay more attention to their youth training system instead of buying players."