Bayer Leverkusen has been dealt a major blow to its Bundesliga title defense, and Borussia Dortmund’s malaise has continued through Niko Kovač’s debut as coach. Leverkusen was held to a goalless draw at Wolfsburg on Saturday,

Bayer Leverkusen remained unbaten in the last 27 away games in the Bundesliga with a 0-0 at VfL Wolfsburg, but left the pitch frustrated on Saturday as the result meant the gap to leaders Bayern Munich increased.