TEMPE, Ariz. Todd Heap has heard every insult that dissatisfied fans can lob at him.
He's injury-prone. He's soft. He's too old.
His response is always the same: a wide smile and a patient, better-informed explanation.
"I've played through a lot of injuries. There are certain ones you can't play through," he said Wednesday. "If you look at how I play when I play and the number of snaps I've taken in various seasons, I'd put that up there with anybody.
"I've got a lot of good football in me."
The Cardinals thought the same when they signed Heap to a two-year free-agent deal this summer. The idea was to give quarterback Kevin Kolb a comfortable safety valve to be exploited the way the Eagles' offense used tight ends when Kolb was there.
Things looked promising when Heap caught 10 passes combined in Weeks 3 and 4 promising until he tore a hamstring muscle that has kept him out of five games and severely limited him i...