From a pure positional roster number standpoint...
+1 FB (Felton)
+2 QB (Taylor, Cassel)
+1 WR (Harvin)
-1 T (Hairston)
-1 S (Searcy)
-1 LB (Kiko)
-2 TE (Lee, Chandler)
Positions that were even (RB) were ommitted
Clay and Spikes were also not counted in these numbers