He is of Indigenous descent. Garlett played his early football for Burracoppin, before playing for Swan Districts in the West Australian Football League in 2007. Garlett was homeless for much of the time that he was playing for Swans, often sleeping in the back of cars going for days without eating.
Once the club discovered this, he lived with Anne and Maurice Embley (parents of many Swan Districts players, including West Coast"s Andrew Embley) and with Swans captain Shane Beros.
Altogether, Garlett played 21 league matches for Swans between 2007 and 2008. Carlton (2009–2014)
Garlett was recruited to the American Federation of Labor-Congress by the Carlton Football Club with the sixth pick in the 2009 Rookie Draft.
He joined indigenous Swan Districts teammate Chris Yarran at Carlton, who was drafted in the 2008 American Federation of Labor-Congress Draft at pick 6. After playing in Carlton"s 2009 National Association of Broadcasters Cup series, he was elevated off the rookie list in place of injured ruckman Robert Warnock.
He made his debut in Round 1, 2009 against Richmond at the Melbourne Cricket Ground, scoring a goal with his first kick.
Garlett played ten games for Carlton in 2009, scoring twelve goals. Late in the season, he, as well as teammates Cameron Cloke and Eddie Betts, was internally suspended by Carlton for one game after failing to attend a recovery session. Garlett was made a nominated rookie in 2010, and earned regular selection in the Carlton team
He played twenty games for the year, and performed strongly in the club"s best and fairest, finishing seventh.
Throughout the season, he formed part of a short-lived forward-line structure consisting of tall full-forward Setanta Ó hAilpín, and three small forwards (Garlett, Eddie Betts and Chris Yarran) who became known as "Setanta"s Little Helpers". Garlett signed a two-year contract extension with the Blues, and moved onto the senior list proper in 2011.
He played every game in 2011, and kicked 50 goals for the year. Melbourne (2015–present)
On 9 October 2014, Garlett was traded to the Melbourne Football Club after an off-field incident involving him and teammate Mitch Robinson.
Garlett plays as a small crumbing forward, and his main attributes are his pace and tackling/defensive pressure, which is very effective in spite of his very light build.