Refresh yourself on each club's leadership group ahead of the 2018 season.

Captain: Taylor Walker
Vice-captain: Rory Sloane
Leadership group: Tom Lynch, Matt Crouch

Changes from 2017
In: Matt Crouch
Out: Eddie Betts, Daniel Talia

Captains: Dayne Beams
Vice-captain: Dayne Zorko
Leadership group: Harris Andrews (deputy vice-captain); Allen Christensen, Ryan Lester, Stefan Martin 

Changes from 2017
In: Nil
Out: Tom Rockliff (traded to Adelaide) 

Captain: Marc Murphy
Vice-captains: Patrick Cripps, Sam Docherty
Leadership group: Ed Curnow, Matthew Kreuzer, Lachie Plowman, Alex Silvagni, Kade Simpson 

Changes from 2017
In: Matthew Kreuzer, Lachie Plowman, Alex Silvagni
Out: Dennis Armfield (retired), Bryce Gibbs (traded to Adelaide) 

Captain: Scott Pendlebury
Vice-captain: Steele Sidebottom
Leadership group: Taylor Adams, Lynden Dunn, Jeremy Howe 

Changes from 2017
In: Lynden Dunn, Jeremy Howe
Out: Nil 

Captain: Dyson Heppell
Vice-captains: Zach Merrett, Cale Hooker
Leadership group: David Myers, Orazio Fantasia, Joe Daniher, Michael Hurley 

Changes from 2017
In: Orazio Fantasia, David Myers
Out: Brendon Goddard (declined nomination), Jobe Watson (retired) 

The Dockers are yet to finalise their leadership group due to some tweaks to their process following the arrival of 22 recruits over the past two off-seasons. The main talking points will be whether Freo decides to retain all three senior members Aaron Sandilands, David Mundy and Lee Spurr or looks to bring in some more new faces. Freo underwent significant changes last year, with Nat Fyfe taking over from Mundy as skipper while stars Lachie Nealeand Michael Walters were elevated to official leadership positions. - Travis King 

The Cats are set to name their leadership group at next Friday's season launch, which will be held at GMHBA Stadium for the first time in three seasons. There are no suggestions that Joel Selwood won't retain the captaincy, with the inspirational skipper expected to skipper Geelong for a seventh-straight year. Geelong had eight members in its leadership group last season, with Harry Taylor and Patrick Dangerfield acting as joint vice-captains. Tom Hawkins, Mark Blicavs, Mitch Duncan, Cameron Guthrie and Scott Selwood were also in the group. It is understood the players are yet to vote for their leaders this season, but there will plenty of interest in whether star recruit Gary Ablett steps straight into a leadership role. His work with the young players and the instructional feedback he provides to teammates has been noted by those inside the club. - Ben Guthrie 

Captains: Tom Lynch, Steven May
Leadership group: Michael Barlow, Pearce Hanley, Touk Miller, Matt Rosa, David Swallow, Jarrod Witts 

Changes from 2017
In: Pearce Hanley, Jarrod Witts
Out: Michael Rischitelli

The Giants will confirm their leadership group in the next fortnight, but Phil Davis and Callan Ward are certain to continue as co-captains for the seventh-straight season. Stephen Coniglio will continue as the sole vice-captain, with All Australians Josh Kelly and Dylan Shiel, and veteran defender Heath Shaw, to remain part of the group. The move of Devon Smith to Essendon means the Giants could add another player to the group. - Adam Curley 

Captain: Jarryd Roughead
Vice-captains: Liam Shiels, Isaac Smith
Leadership group: Jack Gunston, Ben Stratton

Changes from 2017
In: Nil
Out: Luke Hodge (traded to Brisbane), Josh Gibson (retired) 

Pictured: Roughead will again be assisted by co-Vice Captains Isaac Smith and Liam Shiels in 2018.

Read: Hawthorn's pre-season injury update

Captains: Nathan Jones, Jack Viney
Vice-captains: Jordan Lewis, Max Gawn
Leadership group: Jordan Lewis, Max Gawn 

Changes from 2017
In: Nil
Out: Tom McDonald, Bernie Vince 

Captain: Jack Ziebell
Vice-captain: Robbie Tarrant
Leadership group: Shaun Higgins, Jamie Macmillan 

Changes from 2017
In: Nil
Out: Andrew Swallow (retired)

Captain: Travis Boak
Vice-captain: Ollie Wines
Leadership group: Charlie Dixon, Brad Ebert, Hamish Hartlett, Tom Jonas, Tom Rockliff

Changes from 2017
In: Dixon and Rockliff
Out: Jackson Trengove (traded to Western Bulldogs) 

The Tigers are yet to confirm their leadership group for 2018, but any changes to the successful 2017 model would be a surprise. A streamlined three-man group was a raging success last season, with Trent Cotchin emerging as one of the best captains in the game and Alex Rance and Jack Riewoldt providing excellent support as vice-captains. Riewoldt flourished in the role after a prolonged absence, and superstar Dustin Martin could be a player the Tigers look to add if any change is made. The Tigers have confirmed their group in mid-March in recent seasons, through a player vote and consultation with football department staff, the club executive and a leadership consultant. - Nathan Schmook    

Captain: Jarryn Geary
Vice-captain: Nil
Leadership group: Geary, Jack Newnes, Dylan Roberton, Seb Ross, Jack Steven 

Changes from 2017
In: Nil
Out: David Armitage, Josh Bruce, Mav Weller

Captain: Josh Kennedy
Vice-captains: Dan Hannebery, Luke Parker, Dane Rampe
Leadership group: Kieren Jack, Jarrad McVeigh, Nick Smith 

Changes from 2017
In: Nil
Out: Heath Grundy

Captain: Shannon Hurn
Vice-captains: Josh Kennedy, Luke Shuey
Leadership group: Andrew Gaff, Jeremy McGovern, Nic Naitanui

Changes from 2017
In: Nic Naitanui
Out: Sam Mitchell (retired), Matt Priddis (retired) 

Captain: Easton Wood
Vice-captain: Marcus Bontempelli
Leadership group: Lachie Hunter, Jason Johannisen, Jack Redpath, Jordan Roughead

Changes from 2017
In: Lachie Hunter, Jason Johannisen, Jack Redpath, Jordan Roughead
Out: Robert Murphy, Matthew Boyd, Dale Morris