By JOHN WAWROW
AP Sports Writer
ORCHARD PARK, N.Y. (AP) -- Having already squandered two chances to prove himself as an NFL starter, quarterback Kevin Kolb arrived in Buffalo on Monday eager for a third opportunity.
"This is a big chance for me," Kolb said, shortly after officially signing a two-year contract potentially worth more than 12 million. He agreed to the deal March 30. "That's why I came here. And I'm excited about getting out there and doing some special things."
A free agent after being cut by the Arizona Cardinals last month, Kolb mentioned several reasons that attracted him to Buffalo. The Bills have an immediate need for an experienced quarterback, and he's comfortable with the up-tempo, West Coast-style of offense being introduced by rookie coach Doug Marrone.
He has no problem having to compete for the job with returning backup Tarvaris Jackson and potentially a rookie prospect the Bills are expected to select. And Kolb maintaine...