New Delhi, Oct. 13 -- MADISON, Wis. - Ty Dieffenbach had thrown no passes for UCLA this season before he was asked to protect a lead at Oregon. Now the transfer quarterback is the likely opponent Wisconsin must prepare for when it visits the Rose Bowl on October 17, with Nico Iamaleava sidelined by a knee injury.

The immediate change is clearer than the injury's long-term consequences. According to the Milwaukee Journal Sentinel's October 13 report, coach Bob Chesney had not confirmed reports that Iamaleava would miss the rest of the season. He said further medical opinions were still being sought.

Chesney said on October 12: "There is serious concern at this moment, but at the same point in time, there is nothing that has been fully ru...