In 2012, St. Sabina hosted its first Peace Tournament, bringing young men together from four rival gangs to play in a basketball tournament for peace. 

The Peace Tournament received national attention, and was supported by several NBA players who served as their basketball coaches for the tournament. This tournament was the beginning of a transformation for several gang members, and was the birth of St. Sabina's PeaceMaker program.  St. Sabina hired four Peacemaker outreach workers, who were formally affiliated with a gang, to conduct targeted outreach in Chicago 6th District police beats 611 and 612.  They provide gang members with resources and positive alternatives to gang activity in order to prevent conflict or potential retaliation between rival gangs.