Oklahoma State starting safety Johnny Thomas and receiver Michael Harrison
will be ineligible for the season opener
The team did not announce further details or disclose a timeline for either player's return.
The loss hurts the Cowboys, but it's hardly a huge hit.
Thomas was a first-year starter in 2010, finishing fourth on the team with 63 tackles and three interceptions
He'll need to be back by next week's matchup against Arizona's high-flying pass offense featuring one of the