Tom became the youngest player to play in the Heineken Cup at 17 years, 292 days when he came on as a replacement for the Ospreys against Viadana on 12 December 2009.

In a career full of firsts, he became the youngest cap in Wales' history when he started on the wing against Italy in 2010. In doing so he surpassed Matthew Tait of England as the youngest ever to play in the Six Nations.

In June 2010 Prydie became Wales youngest try scorer at 18 years and 102 days against South Africa, overtaking the record set by Tom Pearson in 1891.

He represented Wales Sevens at the 2010 Commonwealth Games in New Delhi.