Here's what you can win playing Xbox Arena

LOS ANGELES — Xbox Arena players will soon be able to win downloadable exclusives, cash prizes and physical swag, Mashable has learned, and they'll do it over a wide variety of game titles.
Microsoft on Monday treated its Preview members to a sneak peek at Xbox Arena, its streamlined approach to esports tournaments in the living room. Users can sign up for daily competitions, making it the easiest way to get involved in esports from home to date. 
But it wasn't immediately clear what