Rory was selected at pick 29 by the GWS GIANTS in the 2013 AFL NAB Draft. Rory played his junior football in Western Australia in the WAFL for Swan Districts. After presenting as one of the best U18 ruckman, Rory was nominated to represent Western Australia in the U18 NAB National Championships. Rory is a developing, athletic ruckman who has the ability to not only direct stoppages with his hit-outs but can also provide his team with a clear marking target. Originating from a basketball background, he brought great agility to his role in the Giants, proving to be a very versatile ruckman. His ground work is also a highlight of his game, a characteristic often foreign to ruckman another large players.
Rory debuted for the Giants in Round 12, 2014 against Essendon. He played a further one game for the 2014 season. Rory has proven to be a continuing developer and improver throughout his career, always achieving greater than the previous season. In 2015, he played 9 games for the club, gaining more experience and education. 2016 was a huge year for Rory as he played 24 games, including his first finals series. His season had various highlights however perhaps his best performance came in his 4 goal haul against Hawthorn in Round 6. His work as a ruck improved significantly as did his ability to be versatile as he effectively filled the hybrid role of a rotating forward and ruck.
2017 saw Rory make further inroads into his career, playing 20 games. Rory collected a career-high of 17 disposals against Port Adelaide in Round 4. His averages also increased with disposals of 11.4 a game, marks 4.3 and hit-outs 11.1. With the retirement of Shane Mumford, Lobb will look to take the primary ruck role for the Giants ahead of the 2018 season.