An all rounder who bowled medium pace,[5] Keath made his first-class cricket debut against the touring England team in December 2010 making 46.

[9] He spent the 2015 season playing in England in the Birmingham Premier League, and upon his return to Australia signed for South Australian Grade Cricket club Prospect.

[10] On 8 December 2015 Keath was signed by the Adelaide Strikers in the Big Bash League[11] but was not offered a first class contract with the South Australian Cricket Association (SACA).

[13] After he failed to earn a SACA contract, he began playing SANFL football for the Adelaide reserves in the 2016 winter season.

[14] At the end of the 2019 AFL season Keath officially requested a trade to the Western Bulldogs.