Whose side are you on? PokerStars is owned by Amaya Inc. Nasdaq: AYA; TSX: AYA Submit comment Be the first to comment Up Next.{/INSERTKEYS}{/PARAGRAPH} {PARAGRAPH}{INSERTKEYS}Published Jun 12, Poker is usually a sociable game played with great spirits and friendly competition. Join the largest poker community in the world! Nobody likes having a rivalry like this - but everybody loves watching the top pros fall out with each other and battle at the table. Erik Seidel. PokerStars is the key brand of Rational Group, which operates gaming-related businesses and brands, including PokerStars, Full Tilt and the European Poker Tour. We count down the top five rivalries in the history of poker, including Phil Hellmuth vs. However, that's not always the case Sometimes you'll meet another player at the table who causes your blood to boil, continually gets lucky and puts you on ultimate tilt. Since it launched in , PokerStars has become the first choice of players all over the world, with more daily tournaments than anywhere else and with the best security online. Tony G and Daniel Negreanu vs.