We speculated about a Chow move earlier. The talk seems to be getting louder, this time over at the Scott Wolf via the USC FanHouse:

Knowledgeable sources say that if Arizona State fires Dirk Koetter, the top candidate might be former USC offensive coordinator Norm Chow. It’s not a big stretch to find a reason, because ASU athletic director Lisa Love and Chow worked together at USC.

Rumor Of The Day [Scott Wolf Inside USC]
Chow Could Replace Koetter at Arizona State [USC FanHouse]