Coming from Jeugland Hoërskool second rower Wiehan Hay represented East Rand side Falcons at the Under-16 Grant Khomo Week in 2008, as well as the Under-18 Craven Week in 2010.
The following year, he joined Pretoria-based side the Blue Bulls and was named on the bench on four occasions during the 2011 Under-19 Provincial Championship.
A move to the Sharks followed and he became a regular for their Under-21 side during the 2013 Under-21 Provincial Championship, scoring one try against the Free State U21 side.
His first class debut came during the 2013 Vodacom Cup when he was included in the run-on side that played beat the Free State XV 34–33 in a match in Durban.
He was named in their Currie Cup squad for the 2014 Currie Cup Premier Division and made his first appearance in this competition in their match against Griquas in Durban.
In November 2015 he was released by the Sharks, he picked up a contract with the Griquas, before he joined the Pumas ahead of the 2016 season.
JW July 17
No 4 Lock
|2016 - present|
No 4 Lock
|2014 - 2016|