Should Steelers consider taking run at Colin Kaepernick? = Before free agency officially began Thursday, the Pittsburgh Steelers’ plans to upgrade their quarterback depth took a hit. Brian Hoyer agreed to sign with the San Francisco 49ers. The Steelers had some interest in Hoyer possibly replacing fellow free agent Landry Jones as Ben Roethlisberger’s backup. Now, the Steelers seem certain to re-sign Jones, who has been…..