Williams and/or Butler both retained IMO.
I think TWill stays but it's going to be a lot more expensive than many fans expect.
It is unfortunate that they were not able to develop a young guy behind him. When everything is considered including a young QB, the surrounding players and this specific offensive scheme, the #2 WR needs to be a veteran.
Here are the other options:
Player 2016 Team
Alshon Jeffery … Bears
Vincent Jackson … Buccaneers
Pierre Garcon … Commanders
Kenny Britt … Rams
Steve Smith … Ravens
Michael Floyd … Patriots
Anquan Boldin … Lions
Kamar Aiken … Ravens
Brandon LaFell … Bengals
Ted Ginn … Panthers
Kendall Wright … Titans
Andre Holmes … Raiders
Cordarrelle Patterson … Vikings
Brian Quick … Rams
Percy Harvin … Bills
Terrelle Pryor … Browns
Russell Shepard … Buccaneers
Robert Woods … Bills
Eric Weems … Falcons
Cecil Shorts … Buccaneers
Devin Hester … Seahawks
Jordan Norwood … Broncos
Jeremy Kerley … 49ers
Deonte Thompson … Bears
Rod Streater … 49ers
Andre Roberts … Lions
Marc Mariani … Titans
Josh Bellamy … Bears
Bryan Walters … Jaguars
Jeremy Ross … Cardinals
Brandon Tate … Bills
Justin Hunter … Bills
Terrance Williams … Cowboys
Marquise Goodwin … Bills
Markus Wheaton … Steelers
Aldrick Robinson … Falcons
Arrelious Benn … Jaguars
Quinton Patton … 49ers