[2] A highly skilled player who mainly plays as a midfielder or forward,[3] Walters was selected by Fremantle with the 53rd pick in the 2008 AFL Draft.

[4] Nicknamed Son-son, he lived on the same street in Midvale as his former Swan Districts teammates and fellow 2008 AFL draftees Nic Naitanui and Chris Yarran.

[16] In 2013 Walters had his best season to date, kicking 46 goals From 21 games, was named in the initial All Australian 40-man squad and won his first Fremantle leading goal-kicker award.

In the 2017 season, his standout performance came in Round 15, at Domain stadium against St Kilda, where he collected a team-high 32 disposals and kicked 6 goals.

He was ruled out for the remainder of the season after injuring his Posterior Cruciate Ligament in his left knee, in Fremantle's loss to Hawthorn in Round 18.

[18] The following week in the Round 11 clash with Collingwood at the MCG, Walters kicked a goal with 30 seconds remaining to give the Dockers a 4-point lead which ultimately won them the game.

[21] Walters played a crucial role in Fremantle's elimination final victory over the Western Bulldogs at Optus Stadium kicking three goals.

[26] In April 2023 Walters was subjected to racial and homophobic abuse on social media, along with teammate Nathan Wilson,[27][28] which was being investigated by AFL's integrity unit.

[32] Walters suffered a hamstring injury during the round 14 loss to the Bulldogs,[33] and as a result he only managed four more games for the year,[34] playing as the substitute on three of those occasions.

[35][36][37] He was originally named as the substitute for Fremantle's annual Starlight Purple Haze fundraiser match against the Melbourne Demons in round nineteen, but the late withdrawal of Matthew Johnson due to injury meant he was elevated into the final 22.