After reaching full capacity, the 2015 Chicago Spring Open goes down this weekend, with Gi and Nogi divisions.
Among more than 800 athletes, João and Paulo Miyao, Vitor Oliveira, Wellington Megaton, Oliver Geddes and others are the most recognizable names in the roster of competitors.
The IBJJF has released both the schedule and the brackets for the action this weekend.
Click here to see the schedule and the brackets.