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AFL.com.au writers take a look at the most improved player on each list and who could be the bolter in 2013.

PORT ADELAIDE
Most improved: Matthew Broadbent has taken his game to a whole new level this season, despite the Power struggling for the most part. The 22-year-old is now considered one of the club's key midfielders and has upped his average disposals from 15 a game last year to nearly 20 this season.
Next year's dream bolter: After yet another season hindered by injury, the Power desperately need Jasper Pittard to remain fit and get some serious football under his belt. He was a NAB AFL Rising Star nomination in round four last year, but persistent hamstring injuries as well as a sickening collision in Darwin with Chad Wingard kept him sidelined in 2012.
-Harry Thring

Who do you think our most improved player is? Who is your player to watch in 2013? Have your say in the comments section at the bottom of the article

ADELAIDE
Most improved: Patrick Dangerfield is hands down the most improved player on Adelaide's list in 2012. The 22-year-old Victorian was controversially taken by the Crows ahead of local Brad Ebert, but Dangerfield has developed into arguably the club's most damaging player and is developing into one of the best in the AFL. Voting at the Brownlow Medal count should prove how far 'Danger' has come in 2012.
Next year's dream bolter: Injuries have kept Ricky Henderson from hitting his peak so far in his 40-game career, but his switch from defence to attack in round 15 that resulted in six goals showed a glimpse of what he can do. Henderson is a huge X-factor for the Crows and offers the side incredible versatility.
-Harry Thring

BRISBANE LIONS
Most improved: Mitch Golby. Stranded on the rookie list last year, Golby not only got a call-up to the seniors, but grabbed it with both hands. He played the first 13 games of the season before sustaining a foot injury, and mixed shutdown roles across half-back with an improving offensive game that helped springboard the Lions from defence to attack.
Next year's dream bolter: Jared Polec. The former No.5 draft pick has had two injury-interrupted seasons to start his Lions career, but showed glimpses of his promise this year. His classy left-foot delivery and outside run adds a different dimension to the Lions midfield. A fine finisher, Polec can add the polish the Lions are looking for.
-Michael Whiting

CARLTON
Most improved: From a purely Blue perspective, it's hard to go past Brock McLean as the year's big improver. He might have had better seasons at Melbourne, but after just 10 games in his first two years at Visy Park, McLean has finally proved his value to the team. The 26-year-old started the season out of favour, but grasped the opportunity offered by Carlton's injury crisis and has played 13 games at an average of just under 25 possessions per outing.
Next year's dream bolter: The Blues would love Levi Casboult to take another step forward next year. He's still quite raw and has a lot of work to do on his set shot kicking, but he's strong in the air, puts pressure on inside 50 and has the potential to develop into the genuine second tall attacking option beside Jarrad Waite that the club has craved.
-Jason Phelan


Brock McLean celebrates his match-saving goal during the Blues' thriller against Richmond.
Picture: AFL Media


COLLINGWOOD
Most improved: Dayne Beams has taken giant strides in his shift into full-time midfield role. Having played across half-forward for his previous three seasons, his ability to find the goals has always been there, which is an element game he's maintained despite upping his workload through the middle. Has been elevated to the leadership group.  
Next year's dream bolter: The speedy Irishman Caolan Mooney showed his promise when he made his AFL debut after just 13 matches of Australian Football, only eight months after he arrived in the country. As we look ahead to round 22, Mooney has played four senior games and will only benefit from a full pre-season.
-Jennifer Witham

ESSENDON
Most improved: Ben Howlett has claims on this title given he has become such an important, if unheralded, member of Essendon's midfield. But Jake Carlisle gets the nod. Although the third-year defender probably won't play again this season after an ankle injury last week, he has established himself in the club's back half and seems to be above teammates Cale Hooker and Tayte Pears in the pecking order. Carlisle's smarts and marking ability make him an important cog in Essendon's future.   
Next year's dream bolter: Essendon supporters could hardly manage to contain themselves if Elliott Kavanagh comes on more than expected next year. The Bombers picked the classy, clean and quick midfielder with their first-round choice at last year's NAB AFL Draft, and he made his AFL debut in round 18 against Hawthorn. Given the Bombers clearly lack in quality and speed through the midfield, if Kavanagh arrived as an AFL star ahead of time everyone at the Bombers will be smiling.
-Callum Twomey

FREMANTLE
Most improved: Clancee Pearce was out of shape and on the AFL scrapheap at the end of last season, cut from the rookie list after 26 games in three seasons. His revival in 2012 after earning another chance under Ross Lyon has been stunning, losing weight, building his engine and playing every game. Now a bona fide AFL midfielder, he has ranked top four at Fremantle for disposals, clearances, contested possessions and tackles.
Next year's dream bolter: Fremantle has been patient with young ruckman Zac Clarke, who has played 34 games since being recruited with pick No.37 in the 2008 NAB AFL Draft. The club needs a player who can support Aaron Sandilands in the ruck while spending long periods forward and having an impact. Ideally, that player would be Clarke, who Fremantle has invested plenty of resources into.  
-Nathan Schmook


Delisted Fremantle rookie Clancee Pearce has made the most of his second chance under Ross Lyon.
Picture: AFL Media

GEELONG
Most improved: Tom Hawkins - It's hard to believe that this time last year the 'Tomahawk' had only recently won back his place in the Cats' team after being dropped to the VFL. But since his commanding performance against Collingwood in last season's Grand Final, the 24-year-old has developed into the dominant forward that he had always threatened to become. Hawkins has so far booted 54 goals in 2012, which places him just six behind the Coleman Medal leader, Fremantle skipper Matthew Pavlich.
Next year's dream bolter: Allen Christensen - A fast and skillful midfielder, who was a member of Geelong's 2011 premiership team, Christensen has been bedeviled by injuries this year. But when he has made it onto the park, the 21-year-old has shown some encouraging signs, averaging 19 possessions and 72 Dream Team points in 14 games. If Christensen stays fit next season, he's likely to emerge as a genuine A-grade player.
-Adam McNicol

GOLD COAST
Most improved: Karmichael Hunt. Last year there were question marks over Hunt keeping his place in the team as a defensive half-back - this year he's been one of the first picked. With Gary Ablett needing more 'inside' midfield help, Hunt has added the contested ball grunt in the absence of injured youngsters David Swallow and Dion Prestia. He splits packs, finds his own ball and is now feeding Gold Coast's outside runners.
Next year's dream bolter: Sam Day. Although still early in his career, Day's role is crucial to the Suns climbing the ladder. The forward 50 has been the area of the ground Gold Coast has struggled with most in its two years. If the athletic 20-year-old can provide a consistent focal point, Gold Coast will improve rapidly.
-Michael Whiting

GREATER WESTERN SYDNEY
Most improved: It's not really an apt category for the Giants, who found noticeable improvement in most of their youngsters and serviceable seasons from their veterans. But Adam Treloar is one who started off the season in extremely tentative fashion. By year's end, he was using his pace to dash through the middle of the ground and was happy to have a few bounces, take on the opposition and have long shots at goal. He also earned himself a Rising Star nomination.
Next year's dream bolter: It would have to be last year's No.1 NAB AFL Draft pick, Jon Patton. Seriously hindered by pre-season knee surgery, Patton came into the season totally underdone, but still managed seven games and showed glimpses of his potential. With a full pre-season under his belt, Patton shows all the signs he could develop into a damaging key forward.
-James Dampney

HAWTHORN
Most improved: Brendan Whitecross is an obvious candidate, but what about Luke Breust? The small forward made an immediate impact in 2011 with 30 goals in 17 games, and has lifted another notch in his second season at senior level. He kicked two or more goals in 12 straight games from rounds eight to 20, and hasn't gone goalless since round five. Importantly, he's also improved his tackles-per-game average to 4.4, up from 2.9 last year.
Next year's dream bolter: Bradley Hill has done enough this season to suggest his future is bright. In the brief senior glimpses he was given (he started as sub in four of his five games), the speedy West Australian ran to the right spots and showed some class. With an extra pre-season in the gym, he'll be well placed to press for a regular spot on the wing in 2013.
-Mark Macgugan

MELBOURNE
Most improved: Sam Blease has always shown promise but appeared to be languishing in the VFL in the early part of the season. However he was merely developing aspects of his game to ensure when he reappeared on the scene he was ready. Has excelled since returning to team in round eight, kicked 17 goals and generated excitement with his pace. Re-signed for two years and another pre-season will allow him to add more tricks as well as defensive elements to the package.
Next year's dream bolter: Colin Sylvia is a class player. He had an injury interrupted start to his season but has been reasonably solid since the bye, and his last quarter goal was instrumental in the Demons upsetting Essendon in round 10. An elite talent who looks to be building and will excel once his teammates become more predictable. A breakout 2013 from Sylvia would have a huge impact on Melbourne's fortunes.
-Peter Ryan

NORTH MELBOURNE
Most improved: North is thrilled by Robbie Tarrant's development as a key forward, but it's impossible to go past second-year defender Shaun Atley here. Atley impressed in his debut season last year playing mainly through the midfield, but has been a revelation since moving to defence this year. With his explosive speed and preparedness to back himself under pressure, Atley has given North's backline a counterattacking edge it previously lacked. He has also shown he can shutdown elite goal-sneaks like St Kilda's Stephen Milne when required.
Next year's dream bolter: Brad McKenzie has had a small taste of AFL football in his first season, playing as North's substitute this year in rounds seven and eight. The Roos' first selection in last year's NAB AFL Draft (No.18 overall), the left-footer was widely judged one of that draft pool's most accurate and penetrating kicks. North will be keen to use his foot skills across half-back or in the midfield next year, but McKenzie must first improve his fitness. The Roos tried to fast-track that process recently when they took him out of the VFL for two weeks mid-season and sent him on a high-altitude training camp in Utah with co-vice-captain Jack Ziebell.
-Nick Bowen

RICHMOND
Most improved: It's a bit cheeky to say that Trent Cotchin is the Tigers' most improved considering he won the 2011 Jack Dyer Medal. But then the Tigers' best and fairest medal has really been a boutique award for many years, and Cotchin has now made such a leap that he's among the top few in the competition. The 22-year-old's game against the Bulldogs in round 20, in which he exhibited almost every skill known to the game, was a football master class. He might just win the Brownlow.
Next year's dream bolter: Since Richmond took Reece Conca at No.6 in the 2010 national draft, there have been murmurs about whether he was worth such a high pick. But in recent rounds Conca has shown enough to suggest that the Tigers have made an astute choice. Conca is developing into a clearance specialist. He had eight clearances against Melbourne in round 15, seven against North Melbourne in round 17 and six against the Brisbane Lions in round 19. They’re good numbers to build on.
-Paul Daffey


Richmond midfielder Trent Cotchin stretches out during the Tigers' clash with Gold Coast in Cairns.
Picture: AFL MEDIA

ST KILDA
Most improved: Jarryn Geary was a fringe player for much of Ross Lyon's time at the Saints and while Scott Watters has been lauded for introducing a more attacking style of game, it is the hard defensive work of Geary that has stood out this season.
Next year's dream bolter: For reasons unknown to most, Arryn Siposs always seems to be the slightest form lapse away from being dropped back to Sandringham. His long kicking and contested marking are the most thrilling attributes of any young St Kilda player and he could be set for a big 2013 as a mid-sized forward option.
-Luke Holmesby

SYDNEY SWANS
Most improved: Undoubtedly, the Swans' most improved player is Lewis Jetta. From a nervous youngster who infamously kicked 19 behinds before registering his first goal in 2010, Jetta blossomed into a goalkicking, tackling dynamo in 2012. His pressure skills impress the coaches just as much as his goals. Now blessed with the confidence and fitness to match his blistering speed.
Next year's dream bolter: Sam Reid. His potential is undeniable and he was handed a five-year contract extension at the end of 2011. But injuries and a lack of confidence halted his progress this season. He works tirelessly on conquering his goalkicking yips, but they haven't been solved yet. Reid has terrific hands and good endurance and with an outstanding defence and top shelf midfield in place, the Swans would love a dominant key forward to match.
-James Dampney

WEST COAST
Most improved: Midfielder Andrew Gaff had an accomplished debut season in 2011, but he has become elite in his role this year. Ranked No.1 in the AFL for total uncontested possessions, he finds the ball in space and uses it effectively. When the West Coast midfield has been poor this season, Gaff has still performed, playing every game in an ultra-consistent year.    
Next year's dream bolter: Recruited as a half-back, Brad Sheppard played his best football this year across half-forward before an ankle injury ended his season. The No.7 draft pick moves well and would be a valuable asset if he could consistently rotate through the wings next year, adding another runner to the Eagles' midfield mix. With Andrew Embley closing in on the end of his career, a breakout year from Sheppard would be timely.
-Nathan Schmook

WESTERN BULLDOGS
Most improved: Luke Dahlhaus has enjoyed a meteoric rise. The dreadlocked teenager went from making his AFL debut as an elevated rookie in round 12 last year to one of the Dogs' chief game-breakers. A genuine cult figure, he is a fast, elusive half-forward/midfielder who will become elite when he makes more of his scoring chances.
Next year's dream bolter: Following the retirement of spearhead Barry Hall, his protégé Liam Jones was hyped as the saviour of the Dogs' attack, but the 21-year-old was ultimately a huge disappointment, kicking just nine goals in 12 games. If he can perform anywhere near expectations next year, the Dogs could be a vastly tougher prospect.
-Ben Collins


Western Bulldog Luke Dahlhaus wraps up Bomber Sam Lonergan during the round 14 clash at Etihad.
Picture: AFL Media