Against Oklahoma State, Newcombe also suffered what he called "a big gash" on his upper right thigh, apparently when cut by a helmet buckle. The cut required no stitches and wasn't considered serious.
Crouch, who led the Huskers to wins over Alabama-Birmingham and California when Newcombe was out, sustained a hip pointer after replacing Newcombe for a third-quarter series against Oklahoma State. The injury typically requires about three or four days' rest.
Nebraska's third-string quarterback is former walk-on Monte Christo, who threw touchdown passes against Alabama-Birmingham and California after Crouch left both games because of minor injuries.
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Colorado State running back Kevin McDougal suffered a hamstring injury in the Rams' victory over Texas-El paso and is not expected to play against Tulsa on Saturday.
Ram Coach Sonny Lubick said he doesn't expect running back Damon Washington, sidelined the past two weeks because of an ankle sprain, to play either.
Also questionable against Tulsa are linebackers Willie Taylor (hip pointer) and Rick Crowell (sore back).
