#8. Seattle Seahawks: Justin Britt
PFF grade (position rank): -32.6 (81st)
2015 salary cap hit: $785,666
Britt played nearly every snap for Seattle at left guard this year despite grading out as the second-worst guard in the NFL out of 82 qualified players. This, after enduring a trying rookie season at right tackle.
The 2014 second-round pick might have run out of chances with the Seahawks, who will almost certainly try to upgrade the weakest link on their mediocre offensive line this offseason.