Southern sealed the deal on Sunday with extraordinary performances in the men's pole vault and discus.
SIU scored 48 total points from the men's and women's shot put alone.
DeAnna Price and Curtis Wideman both won their first career MVC hammer throw titles.
The MVC Outdoor Track and Field Championships will be hosted by Illinois State in Normal, Ill., on May 15-17.
In total, the Saluki men won six events and the women three in two days of competition.
Photos from Day One of the MVC Outdoor Championships in Normal, Ill.; May 15, 2015
2015 Bill Cornell Spring Classic at the Lew Hartzog Track and Field Complex, March 28, 2015.
Photos from Day One of the 2014 MVC Outdoor Championships in Carbondale, Ill. 5.16.14
Photos from Day Two of the 2014 Bill Cornell Spring Classic, 3.29.14.
Finished ninth of 23 in javelin at the MVC Outdoor Championships with a 36.42m mark...Competed in javelin in five outdoor meets.
Also played volleyball in addition to track and field at DeKalb High School...Competed in the long jump, triple jump, discus, shot put and the 4x200m relay in addition to the javelin in high school.
Born Mar. 2, 1995, in DeKalb, Ill., to Daniel and Judith Milroy...Father is an engineering manager and her mother is an instructor...Has three older siblings: Patrick (25), Zachary (23) and Jennifer (21)...Zachary competed at the University of Illinois in track...Majoring in mechanical engineering.