Some background on the Adidas/Puma rivalry, which is quite a fascinating story: https://sports.vice.com/en_us/article/mgz97b/the-nazi-sibling-rivalry-that-divi

Some background on the Adidas/Puma rivalry, which is quite a fascinating story: https://sports.vice.com/en_us/article/mgz97b/the-nazi-sibling-rivalry-that-divided-a-town-and-created-modern-sportswear https://sports.vice.com/en_us/article/mgz97b/the-nazi-siblin...