Here's what I found:
http://www.themat.com/index.php?page...rticleID=16575
Six of the seven freestyle champions from the U.S. Nationals in Las Vegas earned berths directly into the U.S. World Team Trials best-of-3 final series by virtue of meeting the following criteria established by USA Wrestling:
? Junior World medalist within the current Olympic quadrennium
? University World medalist within the current Olympic quadrennium
? Top 10 from the World Championship within the current Olympic quadrennium
? Multiple Senior-level World Team member