After a strong start to their outdoor season last weekend, the University of Wisconsin-Milwaukee track & field teams return to Southern Illinois this weekend for the two-day Bill Cornell Invitational in Carbondale, Ill.Discus, long jump and the 10k run will take place Friday, starting at 3 p.m. with the rest of the events set for Saturday. Field events are scheduled to start at 9 a.m. with track events slatted to begin at 12:30.