Blizzard announced significant changes to Arena mode for its upcoming "Year of the Mammoth" patch, so hopefully players won't draft so many 0-3 runs.
At the start of 2017, nobody really considered Palossand, Pokémon's sandcastle monster, to be noteworthy for competitive play. Then, the top-four World Championship finisher Markus Stadter lost against a Palossand-centric team live on a Twitch stream.
Kephrii is a competitive Overwatch player known for being one of the best Widowmakers in the world. Last weekend, he hopped into a match where he found another Widowmaker player also using the handle Kephrii — and that player happened to be a hacker.