Who have played in a 3/4.
I wouldn't want to count on a bunch of converts and rookies so here are some front 7 FA's who have played in a 3/4 this year.
DE
Suggs Balt
Olshanksy SD
Canty Dallas
Fields SF
NT
Tank Johnson Dallas
ILB
Crowder Miami
Scott Balt
Davis Cleveland
Not a lot are there? On the other hand there are fewer teams competing.