C.J. Spiller remained unsigned as the Bills' rookies reported to training camp Thursday.
General manager Buddy Nix said he hoped Spiller would be signed shortly, but that while things were moving, there are "no guarantees."
The Bills did get nose tackle Torell Troup signed before rookies reported.
• The Bills are gearing up for a quarterback competition in training camp between Trent Edwards, Ryan Fitzpatrick, Brian Brohm and Levi Brown.
Young receivers James Hardy, Steve Johnson and rookie Marcus Easley are eager to show they've got what it takes to replace the departed Terrell Owens and Josh Reed in the lineup.
Fans are anxious to see what running back C.J.