Luhnow is responsible for Acquiring Abreu, Verlander, Urquidy, Valdez and Pressley. He's even responsible for acquiring the stud shortstop who took Correa's place. I think Luhnow gets more credit for the pitching staff than Click.
Urquidy was projected for long relief. Valdez and Javier were projected to be single inning relievers.
Click oversaw an entire revamping of the front office. There is no one left from Luhnow's tenure. That revamped front office turned Framber Valdez into a top 10 pitcher baseball, Javier into a viable starter who gave up one hit in two playoff starts, and Urquidy was developed into a guy that half his starts were quality starts.
Oh and building/developing the bullpen that was Dusty-prood. Yea, no, Click is light years ahead of the dude who had to cheat to win a WS