You could win a shirt signed by the team, including star names like Robert Lewandowski and Marco Reus.
It's the perfect prize for a Dortmund fan, or just someone who loves the game.
How to win
It couldn't be simpler: To win the shirt, all you need to do is jump on to Twitter and retweet the tweet below.
Be sure to follow @BR_UK on Twitter (just click the follow icon above) to check whether the prize is coming your way.
Double your chances of winning!
You can also enter the competition via Facebook by joining us on Bleacher Report UK.
Like and share the competition post, and we'll add you to the draw.
You can enter once on Twitter and once on Facebook, so do both to double your odds of winning the shirt!
You can enter the competition on Twitter and Facebook until 18:00 UK time.
We'll then select a winner at random and announce the results on Twitter and Facebook soon after.
Fans interested in additional information on Borussia Dortmund can find them online here, and on Twitter at @BVB