ST. LOUIS Another upset for Iowa State's David Bertolino. The unseeded 197-pounder registered one of the biggest upsets of the tournament by knocking off third-seeded Mike Tamillow of Northwestern in 6-4 in sudden victory Thursday night in the second round of the NCAA Championships at the Scottrade Center. Six Iowa State wrestlers advanced into Friday morning's quarterfinals after picking up second-round wins. After the first day of competition, the Cyclones are in third place with 25 points. Iowa leads the tournament with 29.5 points and Nebraska is second with 26.5 points. Central Michigan and Minnesota are tied for fourth with 24 points.

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