"I'm very glad about the victory, it is the first title", he said.
Fellow countryman and Dortmund goalkeeper Roman Burki agreed his side had dominated after the interval, while Bayern's late scrambled equaliser was especially galling.
Bayern twice in the course of the match we were behind, that did not stop the defending champion Germany to spoil the debut of Peter BOS as head coach of "Borussia" D.
"It was great that Ulle gave us two saves in the penalty shoot-out, but there is always luck involved".
The German Football Association (DFB) and German Football League (DFL) said in a joint statement that the still experimental video assistant referee system had malfunctioned during Saturday's match at Borussia Dortmund, stoking a debate about the new technology.
"If we do that better, it will be hard for Bayern Munich; if we lose the ball so often, we put more pressure on ourselves".
Bayern's Carlo Ancelotti says a decision on Renato Sanches' future will be made before September. We've seen some of the Bayern we want to see.
"We have to step it up even more now". In the end we have not won and I'm disappointed. I'm sure everything will be going perfectly in a few months.
"We were happy with 1-1 at the break and we played better in the second half because we were more compact and lost the ball fewer times - before it was too many ball losses and then there was too much space for our pressing [to work] because we were not compact".