Iowa State football coach Dan McCarney announced Sage Rosenfels will startat quarterback in Thursday night’s season opener against Indiana State. Thejunior from Maquoketa had battled junior college transfer Derrick Walker forthe starting job and McCarney says both will see action.McCarney says both quarterbacks need to see action.McCarney says they will map out a strategy prior to kickoff on when Walkerwill play against the Sycamores.McCarney on the decision to name Rosenfels as the starter.