BOISE, Idaho — This Day In Sports…September 19, 1981:

Idaho State comes to Bronco Stadium to face defending Division I-AA national champion Boise State and stuns the Broncos, 21-10. The Bengals surprised Boise State with quarterback draws from rifle-armed but slow-footed quarterback Mike Machurek (whose backup was a guy named Dirk Koetter). ISU had shown marked improvement in 1980 under new coach Dave Kragthorpe after an 0-11 season in 1979 and had opened with a 34-10 win over Eastern Washington, but it was the takedown of the Broncos that got everybody’s attention.

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The Bengals would lose only once more during the season and finished with a Big Sky record of 6-1. The Broncos did not fall again in conference pl

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