Beginning on Monday, ESPN.com began unveiling a list of the top 100 offensive players and top 100 defensive players in the NFL, based on the votes of 63 of ESPN's experts.
The "#NFLRank" project will count down each side of the ball in groups of 10 over 10 days, culminating on Aug. 30.
FootballOutsiders.com's Aaron Schatz disagrees with the ranking, writing that Spiller comes in too low on the ranking.
Here is a rundown of where Bills players have been ranked so far in the project:
Spiller -- No. 58 (offense)