the real number is closer to $7.5 mil cap avail. 
  
those rookie pool contracts will just bump out/ be offset by other low paying contracts in the Top 45-51 range. 
  
Round 2, Pick #50   - - - - - - - - $779,200  Round 3, Pick #81Round 3, Pick #81   - - - - - - - - $582,844  Round 5, Pick #155Round 5, Pick #155   - - - - - - - - $481,813  Round 6, Pick #187Round 6, Pick #187   - - - - - - - - $461,918  Round 6, Pick #193Round 6, Pick #193   - - - - - - - - $461,018  Round 7, Pick #234Round 7, Pick #234   - - - - - - - - 
$449,462  
  
http://www.spotrac.com/nfl/buffalo-bills/cap/2015/