[5] He had signs of becoming a prominent player early on, kicking 3 goals and having 37 disposals in a game against the Eastern Ranges Football Club.

[14] Hunter then played in all the remaining games for the season, except in the Bulldogs' 4- and 28-point victories over Greater Western Sydney and Carlton in Rounds 15 and 20.

[21] Hunter finished the season averaging 14 disposals a game, with coach Brendan McCartney stating "He has displayed a range of admirable qualities in his short time at the Club and although Lachie’s best footy is still to come, we are pleased with the way he is tracking.

[23] After a shaky start to the 2015 season, Hunter rapidly improved to secure a spot in the Western Bulldogs' finals team.

Hunter received a club-imposed ban for being late to club training, resulting in him missing many of the opening rounds of the season.

[24] In the 17th round of the season, Hunter won the Rose–Sutton Medal, which was awarded to the player who displays the most courage, skill, leadership and sportsmanship in games between the Western Bulldogs and Collingwood.

[31] Hunter enjoyed a breakthrough season in 2016, cementing his place in the Bulldogs' senior team and enhancing a reputation as one of the league's most prolific wingmen.

[34] An illegal tackle from North Melbourne player Lindsay Thomas saw Hunter go to hospital after the game with concussion-like symptoms, but he recovered in time for the next round.

He played in the Western Bulldogs' 62 year premiership drought-breaking team, collecting 19 disposals, 1 behind, 4 tackles and 1 mark.

Hunter was recognized for his achievement when he finished third in the club's best and fairest count, winning the Gary Dempsey Medal.

[48][49] He had a similarly good game in the Western Bulldogs' 14-point win against Collingwood in round 1 of the season, where he kicked 3 goals, collected 21 disposals, and took 6 marks and 2 tackles.

[52][53][54] In November of that year, Hunter was elevated to the leadership group of the Bulldogs, alongside Jordan Roughead, Jack Redpath and Jason Johannisen.

[56][57] Hunter, alongside Jack Macrae and Jason Johannisen, was named as best on ground for the Bulldogs,[57] after gathering 34 disposals, 9 marks and 3 tackles.

[70][71][72] Hunter stated that "I’ve clearly wanted to play for this club my whole life, and to be able to do that over an extended period now is a really good feeling,"[70][71] Hunter was a crucial part of the Bulldogs' 8-point win over Melbourne in the 17th round of the 2019 AFL season, gathering 37 disposals, kicking a goal, taking 10 marks and laying 5 tackles,[73] getting named in the Bulldogs' best for the game.

[74] Hunter also bolstered the Bulldogs' effort against Fremantle in Round 6 of the season, collecting 32 disposals, 8 marks and a goal.

[76] Hunter finished in 6th place in the Charles Sutton Medal count, 138 votes behind first-placed Marcus Bontempelli.

[105][106][107] Hunter had a much different season in 2021 to his previous few, playing as a high half-forward due to the team's large amount of midfield depth.

It was revealed that Hunter had played through the second half of the team's Round 8 win over Carlton with a broken hand,[108] being lauded by teammate Josh Bruce[109] and coach Luke Beveridge for his courage.