Stegmann attended South Africa’s top-ranked rugby school:, Bloemfontein, where he was selected for the Société Anonyme schools team During high school he was a track and field athlete and played number 8 (as well as flank) in Grey College"s First XV loose trio, alongside Springbok and Cheetahs flank Heinrich Brüssow, and Cheetahs now Irish international flank Richardt Strauss. Tertiary education: University of South Africa.
He made his Super 14 debut for the Bulls in 2008 at the age of 21. Stegmann is a classic fetcher with a low centre of gravity who is thriving under the new law interpretationsand his anticipation, together with his toughness, is a huge asset for the Bulls. He made the number 6 jersey his own in 2008 after playing in every Super 14 match and being awarded Bulls Forward of the Year in 2008.
He has been one of the Super Rugby"s best openside flankers from 2008 to 2011.
He is one of the hardest-working players in the Bulls’ squad, as well as a superb team player with a very high work rate, regularly leading the tackle count, turnover and work rate stats for the Bulls. He has a time of 10.8 seconds in the 100 metre sprint.
In 2013, he signed a contract extension to keep him at the Blue Bulls until 2015. In November 2010, Stegmann was called up to the Springbok squad (outgoing tours) as a replacement to injured Springbok flank and former Institutional Review Board player of the year Schalk Burger, and was handed his first cap as a Springbok debutant in the starting lineup named to face Ireland on 6 November 2010.
South Africa obtained a result of 3-1 over the Isles, beating England and Wales and losing to Scotland.
Free State (U/18 Craven Week) – 2004 Vodacom Blue Bulls (Vodacom Cup) – 2005 Blue Bulls (Société Anonyme Under 19) – 2005 Blue Bulls (ABSA Under 21) – 2006 Vodacom Blue Bulls (Vodacom Cup) – 2007 Vodacom Bulls (Super 14) – 2008 Vodacom Bulls (Super 14) – 2009 Vodacom Bulls (Super 14) – 2010 South Africa (Outgoing Tours) – 2010 Vodacom Bulls (Super Rugby) - 2011 South Africa (Castle Tri Nations) - 2011 Vodacom Bulls (Super 15) - 2012.
At the Bulls, Stegmann plays in a back row combination together with Springbok flank, Dewald Potgieter and Springbok number 8, Pierre Spies, winning 2 Super 14 titles in 2 successive years as well as the Currie Cup. The Springboks won and Stegmann subsequently started every match on tour. Vodacom Blue Bulls (ABSA Currie Cup Premier Division) – 2007 Vodacom Blue Bulls (ABSA Currie Cup Premier Division) – 2008 Vodacom Blue Bulls (ABSA Currie Cup Premier Division) – 2009 Vodacom Blue Bulls (ABSA Currie Cup Premier Division) - 2011.
