Yes, Stills was eventually traded, but he was part of the offer to pick up Unger. It was the Seahawks who countered with including Graham instead. I can't remember the exact source, but I remember reading or hearing about that exchange. It may have been John Clayton who practically lives in the Seattle camp.

As for the Graham as WR affair, that was orchestrated by the NFLPA to challenge the designations within the Franchise Tag. It was their lawyers fighting the fight. The PA knew the definition of player positions was getting muddied. The line between an outside LB and a DE is disappearing with teams using different packages on a play by play basis, yet the tag level differs by $2M. TE's are leading teams in receptions, etc, at $5M per year less than WR's on the tag. The PA lost that appeal and his tag was designated as a TE. The Saints and Graham worked out a new deal shortly thereafter.