Usain Bolt to train with German soccer team Borussia Dortmund

Borussia Dortmund's chief has confirmed that nine-time Olympic sprint champion Usain Bolt will practice with the Bundesliga team.

Hans-Joachim Watzke tells Kicker magazine on Sunday that "it was no joke" and "not a marketing move."

Watzke was responding to a report in a Guardian newspaper that...