The San Francisco 49ers coach said the two rookies have won starting jobs along the team's offensive line just nine days into training camp.
Davis will now run exclusively with the first-team offense at right tackle and Iupati has moved to first on the depth chart at left guard.
Meanwhile, former starting left guard David Baas could be moving in at center.
Regular center Eric Heitmann hobbled off the field during team drills Monday with a left leg injury and was taken by cart into the locker room.
Copyright 2010 by The Associated Press
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