By Ryan Dunleavy | NJ Advance Media for NJ.com

If Giants general manager Dave Gettleman has "How Low" by rapper Ludacris playing on the speakers in his office and a limbo stick on his desk, you will know something is up.

Short of that intentionally extreme scenario, it probably is impossible to forecast whether the Giants are willing to trade down from the No. 2 pick in the NFL Draft. If they are, it boils down to one question: How low can you go?

Gettleman will be asked about trading down Thursday when he holds his pre-draft press conference, but he likely won't be too forthcoming. He already has said he won't get "too cute" with the pick.

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Patti Sapone | NJ Advance Media for NJ.com

Gettleman never has traded down in five previous NFL drafts as a general manager with the Panthers, but he also never held a first-round pick higher than No. 8. And there seem to be a few quarterback-desperate teams looking to get from outside the top 10 into the top five picks.

NJ Advance Media asked three longtime NFL executives to act as Giants general manager and answer these questions:

How low would you be willing to trade? Do you have to stay in the top six or seven picks to get a premium player, or would you be willing to go as low as No. 12 or into the No. 20s?

What kind of return would you require in terms of draft picks in 2018 or the future?

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Here are the resumes for Louis Riddick, Phil Savage and Gil Brandt, followed by their answers:

Riddick is an ESPN analyst who interviewed to be the Giants general manager in December before the job went to Gettleman. He played in the NFL from 1991-98 and was an executive for 13 seasons, including director of pro personnel for the Eagles and Redskins.

Savage is a Sirius XM analyst who is the executive director of the Senior Bowl. He was a scout or personnel executive from 1993-2012, working his way up to general manager of the Browns from 2005-08.

Brandt is a Sirius XM analyst who still is heavily involved in the draft. He is considered a pioneer in scouting and was a front office executive for 34 years, including the Cowboys vice president of player personnel from 1960-88.

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Great meeting this young man at #sb52. Big things ahead for @josh3rosen. pic.twitter.com/ICInzKuVFl — Gil Brandt (@Gil_Brandt) February 3, 2018

Brandt: "Let's say you go from No. 2 to No. 7. What you do is put six names up on the board and say if we trade out of No. 2 and go to No. 7, this is the players we are going to get. Are we happy with those players? If the answer is yes, then you make the move. If the answer is no, I wouldn't make the move."

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Savage: "They are having to assess what they truly believe about these quarterbacks, because if they don't think there is a preeminent talent at the quarterback position, then they should take a different position and/or move down. Most people think there are probably 15-20 bonafide first-rounders."

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Most of what I know/believe about football comes from what this man taught me as a pro. Great talking with him today. #CrimsonTide pic.twitter.com/K3Uo3n8cfv — Louis Riddick (@LRiddickESPN) July 26, 2017

Riddick: "It will be interesting to see who really feels like they really need to get all the way up. Is Buffalo (No. 12 and No. 22) really in that market? Does Miami (No. 11) want to get up there or don't they? You hear talk about those two teams in particular, along with Arizona (No. 15), wanting to get up there and get their hands on a quarterback potentially.

"There are a couple mocks when you run them through that maybe Buffalo and Miami don't have to move anywhere. Maybe the Giants, even if they want to move, want have the opportunity to get out of there."

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After wrapping up the #NFLCombine for @seniorbowl and @SiriusXMNFL, I was once again the last man standing in Indy! Best wishes to all the prospects and safe travels to all the scouts as you head into the Pro Day phase of the draft evaluations! #NFLDraft2018 pic.twitter.com/Pp5t3e9Nxx — Phil Savage (@PhilSavage) March 5, 2018

Savage: "I think any move for the Giants, I would almost feel compelled that it would have to include a next year's No. 1. And then I would have a conversation. If it doesn't include something for next year, particularly a first-round pick, then I don't know that I would be willing to want to move out of there. Because they are going to get a legit rookie contributor regardless of who they take outside of the quarterback spot."

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Brandt: "Any time you trade for a next year's choice, you want to put a (conditional) tag line on it. Just think about this: Philadelphia went from last place in the NFC East (in 2016) to the Super Bowl. What you do is you put that tag line: If the pick isn't in the top 10, then we get an additional choice. Maybe a third or something that."

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Riddick: "I would want to sit right where I'm sitting if I'm the Giants. I'm going to get a player that is going to be able to play two contracts with me and maybe be one of those guys who, as Dave Gettleman says, when you are picking in that spot you need be picking players who you think can eventually done yellow jackets and you are going to see them in the (Hall of Fame)."

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Brandt: "I think you can (move out of the top 10) because there are some good players. The UCLA offensive lineman (Kolton Miller), the defensive end at Texas-San Antonio (Marcus Davenport). A lot of players like that who are really good."

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Ben Liebenberg | AP

Riddick: "There are some high-character football players who don't have any injury history who, if you think can be transcendent, special players, you can take them. The Giants are sitting in a spot where they can't lose if they stay where they are.

"They can't lose. They are going to have a choice of a very good quarterback, or a hell of a running back or a pass-rusher who I think is better than last year's No. 1 overall pick. Bradley Chubb to me is better than Myles Garrett at the same point in time and will be able to do more for their football team than Myles Garrett would have done."

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Riddick: "If I'm the Giants, if Buffalo or Miami wants to send me down to No. 11, then you pretty much better set up my drafts for the next 2-3 years with a plethora of picks because I wouldn't want to miss out on the players that are going to be available to me at that point."

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WHAT IT MEANS?

The Giants might be more likely to trade down from No. 3 or No. 4 than from No. 2, where the appeal of having at least two of USC quarterback Sam Darnold, Penn State running back Saquon Barkley and North Carolina State defensive end Bradley Chubb on the board is going to be great for Gettleman.

The pros of trading down include the depth of the first-round talent and a chance to stockpile picks beyond the 2018 draft, where the Giants are set up in the future.

The cons include passing on a quarterback when in the driver's seat to choose one and players seen as potential Hall of Famers like Barkley or Chubb, both of whom likely are top five picks.

It seems from these comments Brandt would be more included to it than either Savage or Riddick, both of whom would need to be blown away.

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NJ Advance Media for NJ.com

LISTEN: Giants podcast previews NFL Draft

Ryan Dunleavy can be reached at rdunleavy@njadvancemedia.com. Follow him on Twitter @rydunleavy.