Career
His regular position is lock. He played at youth level for the Leopards and also played for Potchefstroom-based university side Northwestern University Pukke. Yet, his performances in the 2012 Under-21 Provincial Championship earned him a move to the Free State Cheetahs and he was included in the Cheetahs final squad for the 2013 Super Rugby season.
Representative rugby
In May 2014, De Jager was one of eight uncapped players that were called up to a Springbok training camp prior to the 2014 mid-year rugby union internationals.
Test Match Record
International Tries.