Official jerseys of Bayer Leverkusen with player flocking available. They were founded in 1904 as a factory team for the workers of the pharmaceutical company Bayer AG and exist today as a separate entity. They have an unusual policy of rotating club colors. alternating between red and black jerseys for home and away games - sometimes even the combination of the two jersey colors in the form of stripes ... Although they have won the DFB Cup and the UEFA Cup. they are sometimes referred to as "runners-up" because they have been runners-up in most competitions.