Formula 1’s Red Bull Racing has signed up online gambling platform PokerStars as a sponsor.

The Ultimate Fighting Championship has inked one renewal and four new partnerships since December last year, raising at least $6m (€5.3m) in sponsorship revenue.

The Ultimate Fighting Championship (UFC) mixed martial arts promotion has signed partnerships with cryptocurrency firm Litecoin and poker brand PokerStars

PokerStars operator The Stars Group has struck its first partnership with a US professional sports league