Maybe, but I doubt it. There will be a sizable market for him, with the way this draft is looking to shake out Austin could easily be the #1 WR in New England, or the #2 pass option in NO after Jimmy Graham. San Diego could also want to bring him in and slide him next to Keenan Allen. Also, he is the absolute ideal #1 in the Panthers system if Steve Smith is gone. There are a dozen teams that will likely be bidding for him, he's not Ware in that we are the only team that will pay him big bucks. He's going to make about $5M with us this season, not ridiculous to think he can get more than that on the open market, it may be a one year prove it Aqib Talib type deal, but with so many teams that have crazy cap space he could definitely manage to pull a 1 yr 6.5M contract or so. A team like the Panthers, Saints or New England would likely be willing to lock him up for 3 years at 18-20M.
This is a deep draft and free agency at WR for sure, but not many WRs have proven to have the mental grasp of the game, and maturity that Miles has. Can't see New England or New Orleans bringing in a dense clown, so Miles certainly has a spot in this league as a #2 WR at worst. Even if NE or NO was able to get a rookie they'd like I doubt either would be foolish enough not to bring in a sure thing as well.