Anderson, native of Eden Prairie, Minn., was a second-team academic all-Big 12 honoree last season. He made 44 tackles last season, including a career-high nine stops against Texas. Hobbs, a second-team academic all-conference selection in 2003 from DeSoto, Texas, owns 138 career tackles and four interceptions.
Stubbe, a Cedar Rapids native who made the ISU Dean's List in 2004, started all 12 games last season at left tackle. Vander Sanden, a first-team academic all-Big 12 choice last season from Inwood, started seven games last fall in the offensive line, despite injuries.