By Ryan Dunleavy | NJ Advance Media for NJ.com

UPDATE: NFL Network reports the Giants are expected to hire Vikings offensive coordinator Pat Shurmur as the team's new head coach.

The craziness might only be beginning for Pat Shurmur. How wild is that thought?

Dialing up the play that resulted in one of the most unbelievable finishes in NFL playoff history on Sunday as the Vikings beat the Saints on a walk-off 61-yard touchdown pass was one thing.

What lies ahead is another.

Shurmur could have the Giants and Cardinals fighting over his services behind the scenes during a time when he can't interview or officially accept a head coach job under the NFL's tampering rules.

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Brace Hemmelgarn | USA TODAY Sports

Patriots defensive coordinator Matt Patricia reportedly will pick the Lions over the Giants and it is being treated like a foregone conclusion that Patriots offensive coordinator Josh McDaniels will pick the Colts over the Giants.

That leaves Shurmur as the last available of the Giants' three finalists. All three interviewed during the first week of the playoffs when their teams had byes and can't interview again until next week after their teams have either been eliminated or advanced to the Super Bowl and entered another bye week.

Either way, Shurmur appears to be in the driver's seat for negotiations, which means he would be smart to send out feelers to assistant coaches he might want to hire once he can begin to assemble a staff. Likewise, NFL Network reported that McDaniels already has asked his potential hires to wait for him to get a job.

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So who would be on a Shurmur staff?

Most coaches like to hire other coaches who they have worked with somewhere along the way, so NJ Advance Media combed through Shurmur's NFL background as an assistant with the Eagles (1999-2008, 2013-15), Rams (2009-10) and Vikings (2016-17) as well as his one stint as head coach of the Browns (2011-12).

Here is a "Where are they now? look at the coordinators and active position coaches he hired with the Browns:



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Brad Childress

Then: Browns offensive coordinator, 2012

Now: Retired.

Childress is the former coach of the Vikings (2006-10). Most of his career has been tied to Andy Reid, both in Philadelphia from 1999-2005 and with Kansas City, where he was offensive coordinator in 2016 but is no longer. He retired earlier this month after spending 2017 as assistant head coach of Reid's Chiefs.

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Dick Jauron

Then: Browns defensive coordinator, 2011-12

Now: Retired

Working for Shurmur was Jauron's last job in the NFL and he is 67 years old. He was 60-82 as coach of the Bears and Bills earlier in his career. Will he come out of retirement? Probably not. But coaches like to get the old band back together, especially if Shurmur hires other familiar faces.

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George Warhop

Then: Browns offensive line coach, 2009-13

Now: Buccaneers offensive line coach, 20014-present

Warhop hasn't held a job other than offensive line coach since his coaching career began in 1984 , though he also holds the title of run game coordinator in Tampa Bay. He has coached in college, the NFL and the defunct NFL Europe.

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Dwaine Board

Then: Browns defensive line coach, 2011-12

Now: Seahawks defensive line coach, 2015-present

Board won three Super Bowls with the 49ers as a player and a fourth as an assistant coach in San Francisco. He is coaching a talented unit in Seattle.

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What is Plan D for the Giants?

Sleeper names if Shurmur goes to Cardinals

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George McNish | NJNP

Gary Brown

Then: Browns running backs coach, 2009-12

Now: Cowboys running backs coach, 2013-present

Brown finished his playing career with a two-year stint with the Giants, including rushing for more than 1,000 yards in 1998. Leaving behind Ezekiel Elliott won't be an easy thing to do.

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Jerome Henderson

Then: Browns defensive backs coach 2009-11

Now: Falcons defensive pass game coordinator

While Marquand Manuel is the Falcons' defensive coordinator, Henderson handles the pass defense. He played for the Jets from 1997-98 and got his coaching start there from 2006-08.

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Chuck Bullough

Then: Browns defensive assistant, 2011-12

Now: Eastern Michigan defensive line coach, 2016-present

Bullough is a former defensive coordinator at UCLA (2009-10) and Syracuse (2013-15) whose father, Hank, played in the NFL.

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POLITI: Giants coaching not as attractive as everyone thinks

Warts showing on premier franchise

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Tim Hauck

Then: Browns defensive backs coach, 2012

Now: Eagles safeties coach 2016-present

Hauck spent 13 seasons as a ferocious-hitting safety in the NFL, including three with the Eagles. He has coached in college and the NFL.

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Martin Griff | Times of Trenton

Bill Davis

Then: Browns linebackers coach, 2011-12

Now: Ohio State linebackers coach, 2017-present

Davis was in the NFL from 1992-2015 — including a stint as Giants linebackers coach in 2004 —before dipping his toe into the recruiting waters to work for Urban Meyer in his native state of Ohio. He is a former defensive coordinator for the Eagles (2013-15).

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DUGGAN: Matt Patricia isn't crazy for picking Lions over Giants

Comparing the 2 current situations

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Former NFL coordinators who have worked with Pat Shurmur

Here are the coaches with whom Shurmur has worked in the past who already have been NFL offensive or defensive coordinators at least once before and could lend an experienced hand if he goes that route.

Spoiler: You will notice a lot of Eagles flavor.

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William Perlman | The Star-Ledger

Marty Mornhinweg

Worked with Shurmur: Eagles (2006-08)

Now: Ravens offensive coordinator, 2016-present

The Ravens announced earlier this month that Mornhinweg will be return as coordinator in 2018. Could that change? The former Lions head coach (2001-02) was the mostly successful Eagles offensive coordinator (2006-12) — Shurmur was quarterbacks coach — before enduing a difficult stint in the same job with the Jets (2013-14).

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Tony Sparano

Worked with Shurmur: Vikings (2016-present)

Now: Vikings offensive line coach, 2016-present

Sparano is the Vikings offensive line coach, so would he make a lateral move to join Shurmur? Since he was coach of the Dolphins (2008-11) and offensive coordinator of the Jets (2012), he mostly has been a position coach with the exception of a 12-game stint as interim coach of the Raiders in 2014.

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Bill Lazor

Worked with Shurmur: Eagles (2013)

Now: Bengals offensive coordinator, 2017-18

The Bengals announced plans to retain Lazor after the surprise move to coach Marvin Lewis as coach. Lazor was quarterbacks coach for a Shurmur-run offense before getting to coordinator plays himself for the Dolphins (2014-15).

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Bill Musgrave

Worked with Shurmur: Eagles (2014)

Now: Broncos offensive coordinator, 2017-present

Musgrave's first stint as a NFL offensive coordinator was with the Panthers in 2000. Since then, he has done the job for four other franchises, including his midseason promotion with the Broncos in 2017. He is expected to remain in the position in 2018.

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Connor Hughes | NJ Advance Media

WATCH: Lane Johnson lets the dogs out

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Noah K. Murray | USA TODAY SPorts

Steve Spagnuolo

Worked with Shurmur: Eagles (1999-2006), Rams (2009-10)

Now: Giants defensive coordinator, 2007-08, 2015-present

Spagnuolo and Shurmur go way back as both first-year assistants with mostly college coaching backgrounds in 1999 when Reid hired them and they stayed together until the Giants hired Spagnulo as defensive coordinator in 2007. During Spagnuolo's first two seasons as coach of the Rams, he had Shurmur as his offensive coordinator.

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Sylvester Croom

Worked with Shurmur: Rams (2009-10)

Now: Titans running backs coach, 2013-present

Croom was offensive coordinator for the Lions (1997-2000) under coach Bobby Ross. He has never held the title again, coaching NFL running backs since then with the exception of a five-year stint calling the shots at Mississippi State (2004-08).

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Ken Flajole

Worked with Shurmur: Rams (2009-10)

Now: Eagles linebackers coach, 2016-present

Flajole's only stint as a coordinator was with the Rams under Spagnuolo, when Shurmur was his opposite number on offense. He has been with three NFL organizations coaching defensive backs and linebackers since the Spagnuolo staff was cleaned out. The Giants expressed some interest in Eagles defensive coordinator Jim Schwartz as a possible coach, but they could to one of his staffers as an assistant.

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Lynne Sladky | AP

Leslie Frazier

Worked with Shurmur: Eagles (1999-2002)

Now: Bills defensive coordinators, 2017-present

Frazier and Shurmur both were part of Reid's first coaching staff in Philadelphia. While Shurmur stuck around Philadelphia longer and then returned a second time, Frazier left to be defensive coordinator of the Bengals (2003-04) and ultimately climbed his way to Vikings coach (2011-13). He has been a coordinator for the Buccaneers and Bills since then.

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Best available free-agent quarterbacks

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Steve Loney

Worked with Shurmur: Rams (2009-10)

Now: Cowboys tight ends coach, 2017-present

Loney had a one-year stint as offensive coordinator for the Lions in 2005, after previously holding the job for Minnesota and Iowa State in the college ranks. He is an offensive line coach by trade — that's what he was for a Shurmur-run offense with the Rams — but he was bumped to tight ends coach.

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Gary Gibbs*

Worked with Shurmur: N/A

Now: Chiefs linebackers coach, 2013-present

Gibbs is on this list despite not working with Shurmur. Why? His hire seems make sense with one degree of separation. He is a former defensive coordinator with the Saints (2006-08) and Chiefs (2012) who could be in line for a promotion from position coach after spending the last few years under Andy Reid, one of Shurmur's mentors.

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NFC Championship preview

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Dave Fipp

Worked with Shurmur: Eagles (2013-15)

Now: Eagles special teams coordinator

Fipp and Shurmur both joined the Eagles staff in 2013, but Doug Pederson retained only Fipp while Shurmur went on to the Vikings.

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Dave Toub

Worked with Shurmur: Eagles (2001-03)

Now: Chiefs special teams coordinator, 2013-present

Would Reid let Shurmur pick off Toub from his staff? The Chiefs need to shake things up after another disappointing playoff exit, but the special teams were a smash success in 2017 with Tyreek Hill and the development of rookie kicker Harrison Butker.

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6 observations of Giants coach Pat Shurmur

What did he show in Vikings win?

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Other names to know

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Mike McCarn | AP

Ken Dorsey

The former national championship-winning quarterback and two-time Heisman Trophy finalist joined the Panthers as quarterbacks coach in 2013. He was fired last week and Sporting News' Alex Marvez is reporting that Shurmur will target Dorsey as his quarterbacks coach.

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Kennedy Polamalu

Polamalu is the Vikings running backs coach under Shurmur this season, after spending the previous three seasons at UCLA (two as running backs coach and one as offensive coordinator). Why is that significant? Because UCLA quarterback Josh Rosen could be available to the Giants at the No. 2 pick in the 2018 NFL Draft.

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NJ Advance Media for NJ.com

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