[2] His total of ten tries at the 2014 IRB Junior World Championship broke the tournament record previously held by Julian Savea and Zac Guildford.

In late 2014, Kellaway began playing for the New South Wales Country Eagles in the National Rugby Championship.

[9] He then signed with the Melbourne Rebels ahead of the 2020 season, but first playing for Counties Manukau in late 2019 alongside Sonny Bill Williams in New Zealand.

[10] Following a stint in Japan with NEC, Kellaway returned to the Rebels for the 2021 Super Rugby Trans-Tasman competition and was selected in the Wallabies squad for the mid-year tests by national coach Dave Rennie.

He scored the second most tries (9) in a Wallabies’ debut season and walked away with Rugby Australia’s Rookie of the Year award.