Roberts first earned a provincial call-up in 2010, when he was included in the SWD Eagles' Under-18 Academy Week squad. Later in the same year, he also featured for the side in the 2010 Under-19 Provincial Championship. He ended as their joint-second top scorer in the competition, helping them to third position on the log, a 37–29 victory against the in the semi-final and a 27–20 victory over in the final to win the competition. They also won promotion to Group A, beating the in a promotion play-off. He was still eligible to represent newly promoted in Group A of the 2011 Under-19 Provincial Championship. He started all twelve of their matches during the campaign, but his side found it hard to adjust to the higher league, losing all twelve of their matches. He scored one try in their match against the and also played in their relegation play-off match against the, with SWD winning 18–14 to remain in Group A. Roberts was named in the senior squad for the 2012 Currie Cup First Division and was named on the bench for their match against the, but failed to appear during the 21–21 draw. He made six appearances for during the 2012 Under-21 Provincial Championship, helping the side reach the final of the competition. He scored SWD U21s' only try of the match as they lost 10–24 to in the final in Port Elizabeth.
His first class debut came during the 2013 Vodacom Cup competition; he came on as a replacement in their 10–52 loss to the and also appeared against a week later. Despite still being eligible to play for the side in the second half of 2013, he broke into the first team picture during the 2013 Currie Cup First Division. He made his Currie Cup debut – and first start at first class level – for the side in their 36–12 victory against the in East London in the opening round of the competition. He made a total of eight appearances during the competition as his side clinched a semi-final spot, where they lost to the. Roberts was mainly used as a centre during the 2014 Vodacom Cup, starting all eight of the ' matches in the competition. He scored his first senior try in the second minute of their Round Two clash with Kenyan side and followed it up with his second an hour later. He scored a third try in their match against to end the season in third spot on the log to claim a quarter final spot. They were eliminated at that stage by who ran out comfortable 84–15 winners. He then played in the 2014 Currie Cup qualification series, a competition which would reward the winner with a spot in the 2014 Currie Cup Premier Division. Roberts made four appearances and scored a try in their match against, but his side could only finish in fourth spot to play in the 2014 Currie Cup First Division. He made five appearances in that competition, getting a brace of tries in their 31–22 victory over the. The SWD Eagles finished third to reach the semi-finals, where they lost 43–45 to eventual champions the. Two appearances followed in the 2015 Vodacom Cup, where his side again reached the quarter final stage.
