In a twitter status update by Sundance DiGiovanni, the CEO of Major League Gaming, he has announced that they are working on adding League of Legends to the official list of games. Currently, no details are available as according to DiGiovanni, they are still in the planning phase.
The twitter status can be found below:
More information regarding the addition of LoL to the MLG Raleigh event will be relayed as soon as it becomes available.