How courts are becoming the hottest summer hangout in the south suburbs. In the rolling hills and leafy cul-de-sacs of Pittsburgh’s south suburbs, a new sound has officially overtaken the Friday night roar of high school football stadiums and the Sunday afternoon crack of a baseball bat. It is the rhythmic, plastic pop-pop-pop of the pickleball, a sound that has transformed the region into one of the sport’s most intense hotspots for active older adults looking for low-impact