Ed.B. of the P-G said today that the Steelers knew when Porter left that Harrison probably would have beat Joey out
Porter's release really was a no-brainer. While he played well enough for a number of years to make the all-time Steelers team, and he helped drive them to Super Bowl XL, his play had diminished in 2006 as his knee surgeries increased.
Porter was due a $5 million salary and the coaching staff knew that had they kept him, Harrison probably would have beaten him out of his starting job.
(imagine Joey's attitude if he was still here not even starting in his FA year