Dortmund's Erling Haaland scores the opening goal during the German Bundesliga soccer match between Borussia Dortmund and Schalke 04 in Dortmund, Germany, Saturday, May 16, 2020. The German Bundesliga becomes the world's first major soccer league to resume after a two-month suspension because of the coronavirus pandemic. (AP Photo/Martin Meissner, Pool)

Schalke's Amine Harit heads the ball during the German Bundesliga soccer match between Borussia Dortmund and Schalke 04 in Dortmund, Germany, Saturday, May 16, 2020. The German Bundesliga becomes the world's first major soccer league to resume after a two-month suspension because of the coronavirus pandemic. (AP Photo/Martin Meissner, Pool)

Dortmund's Raphael Guerreiro, background center, scores his side's second goal during the German Bundesliga soccer match between Borussia Dortmund and Schalke 04 in Dortmund, Germany, Saturday, May 16, 2020. The German Bundesliga becomes the world's first major soccer league to resume after a two-month suspension because of the coronavirus pandemic. (AP Photo/Martin Meissner, Pool)