I'll admit I was disappointed we took Connor Barwin over Michael Johnson, as a pass rushing DE. The jury is still out, but Barwin does have a very slight edge, with one additional tackle and an extra 1.5 sacks:
Barwin:
http://espn.go.com/nfl/players/profile?playerId=12449
Johnson:
http://sports.espn.go.com/nfl/player...playerId=12436
I'll be interested to see how year 2 turns out for these players.