Matt Cassel has played well enough to be in the market for a considerable raise this offseason. ?These players are all human stocks. They go up and down,? an agent said Thursdayy. ?But right now, we?re at the midterm with Cassel. Let?s see what happens down the road. Right now, his stock has definitely risen.? Cassel would command something in the $6 million to $8 million per year range to be a starter next season, according to the agent.