German Bundesliga football clubs VfB Stuttgart, Hertha Berlin and Eintracht Frankfurt have agreed deals with various gambling and betting companies.
Stuttgart has agreed a partnership with private sports betting provider Betano for three years, until 2021.
Betano will serve as a premium partner of Stuttgart and will work with the club on a series of joint initiatives.
Meanwhile, Hertha Berlin has extended a partnership with state lottery company Lotto Berlin for two years, in a deal covering the 2018-19 and 2019-20 seasons.
Lotto Berlin will continue to benefit from a comprehensive service package that includes stadium advertising campaigns, digital campaigns and joint activations.
Last month, Hertha also agreed a new regional deal with betting company Yabo Sports.
Elsewhere, Eintracht Frankfurt has signed a three-year renewal to its partnership with Lotto Hessen. The deal runs through to July 2021.
Lotto Hessen, which has been working with Eintracht Frankfurt since the 2013-14 season, will hold exclusive rights to lotteries and instant lotteries at the club.