WoW sells 3.3m copies on launch day: http://www.ibtimes.co.uk/world-warcraft-legion-sold-this-many-copies-launch-day-check-out-all-time-high-number-1580559
Overwatch 'high-bandwidth' update is live for PC: http://www.polygon.com/2016/9/10/12871888/overwatch-high-bandwidth-update
Overwatch season 2: http://www.vinereport.com/article/overwatch-season-2-introduces-new-skill-ratings-system-ranked-tiers-grouping-restrictions-and-more/14460.htm