Takeo Spikes - According to Rotoworld, Spikes signed a one year contract for $1.48M that includes a $300,000 Signing Bonus, contains a $140,000 Roster Bonus and a $1,040,000 Base Salary. An additional $200,000 can be earned through incentives.
It's not a lot and the Lions reportedly offered him $1.5M, it looks like it was a matter of Spikes choosing San Francisco over Detroit. Contrary to what the local media may report, it looks like the salary cap didn't have anything to do with salary cap limitations and had to do more with Spikes choosing San Francisco over Detroit.
Nick Jones and Eddie Johnson were both released on August 9th. There release will have no effect on the Lions current cap status.
Dave Rayner signed for the league minimum for players with 3 years of service, $520,000 and his current year player cost is $520,000. His player cost will figure into the Top 51 Calculation and reduce the Lions Cap Status by about $60,000.
Damion Cook signed for $605,000, the league minimum for players with 4 years of service. The NFLPA will subsidize $160,000 of his salary and Cook's current year player cost will be $445,000.
Kiwaukee Thomas, an 8 year veteran signed for the league minimum $730,000 and the NFLPA will subsidize $285,000 of his salary. Thomas' 2008 player cost will be $445,000.
Stanley Wilson was placed on Injured Reserve on August 11th. The move doesn't effect the Lions current cap status. His contract likely doesn't include a split salary and unless an injury settlement is reached, he'll count $933,720 against the cap.
Based on the above, the Lions are currently about $4.1M under the cap.