That is four World Team Members for Iowa, three of them in the 57 KG weight class
http://iawrestle.com/2014/06/23/lets-make-it-four-matt-mcdonough-makes-a-world-team/
http://iawrestle.com/2014/06/23/lets-make-it-four-matt-mcdonough-makes-a-world-team/