Watch Live: Dortmund, Ingolstadt hope to back up first day wins (FS1)

L - MAINZ GERMANY - AUGUST 15: Marvin Matip of Ingolstadt with the ball during the Bundesliga match between 1. FSV Mainz 05 and FC Ingolstadt at Coface Arena on August 15, 2015 in Mainz, Germany. (Photo by Ronald Wittek/Bongarts/Getty Images) R - CHEMNITZ, GERMANY - AUGUST 09: Marco Reus of Dortmund reacts during the DFB Cup first round match between Chemnitzer FC and Borussia Dortmund at Stadion an der Gellertstrasse on August 9, 2015 in Chemnitz, Germany. (Photo by Thomas Eisenhuth/Bongarts/Getty Images)