Are Heidenheim for real? Dortmund will test the Bundesliga leaders

Heidenheim have been the surprise package of the Bundesliga so far this season, but they face their toughest test yet when they host Borussia Dortmund on Saturday.

Heidenheim are currently third in the table, just two points behind leaders Bayern Munich and Borussia Dortmund. They have won seven of their nine league games so far, and have only lost once. They have also scored 24 goals, which is the second-highest total in the league.

Dortmund, on the other hand, have had a more mixed start to the season. They have won five of their nine league games, but have also lost three. They are currently fourth in the table, three points behind Heidenheim.

The match between Heidenheim and Dortmund is likely to be a close one. Heidenheim have been in excellent form this season, and they will be confident of causing an upset against Dortmund.

Here are some of the key storylines to watch in the match:

• Can Heidenheim continue their impressive start to the season?
• Can Dortmund get back to winning ways?
• Who will be the key players in the match?

The match between Heidenheim and Dortmund is scheduled to kick off at 3:30pm GMT on Saturday. You can watch the match live on BT Sport.