SportsBolt begins trial with Borussia01:20This browser does not support the video element.Sports03/23/2018March 23, 2018With a weekend without Bundesliga action, Borussia Dortmund decided it would be the perfect time to try out the talents of an extremely famous Jamaican: Usain Bolt was giving himself a 7 out of 10 on the pitch.Copy linkAdvertisement