It was the first half of 2011, RIGHT AFTER he signed his contract.
He had THREE STRAIGHT games with 2 sacks before he got hurt in week 8.
BTW Harrison WAS INJURED during that exact same stretch.
Four games leading up to Woodleys injury in week 8 2011 all of which a Harrison missed go like this:
Do a Google search for articles about Woodley during that time. He was never better.