.Marnus Labuschagne completed his county season at Glamorgan with a record-breaking bowling performance during the course of Friday's T20 Bang match versus Somerset in Cardiff.The Queensland leg-spinner professed career-best figures of 5-11 coming from 2.3 overs, featuring a triple-wicket maiden, to aid spin Somerset for 123 in 13.3 overs at Sophia Gardens.It was the most ideal bowling efficiency by a Glamorgan player in the T20 layout, enhancing Graham Wagg's 5-15 versus Worcestershire in June 2013. Delivered into the attack in the tenth over, Labuschagne eliminated rival captain Lewis Gregory before tidying up Somerset's rear, with his four continuing to be terminations each bowled.Gregory's departure sparked an agitated collapse of 7-35, with Glamorgan navigating in the direction of a powerful 123-run victory.Watch every ball of the England v West Indies exam set LIVE & special to Fox Cricket, available on Kayo. New to Kayo? Begin your free of cost trial today > Marnus Labuschagne of Glamorgan. Photograph by Dan Istitene/Getty ImagesSource: Getty ImagesEarlier, Glamorgan published 4-243 coming from its 20 overs, the best staff total coming from this period's T20 Burst, along with captain Kiran Carlson slapping a career-best 135 (64) after winning the throw and also deciding on to bat first.However, it wasn't good enough for the Welsh region to get the knockout blows, ending up sixth in their team's standings with 6 success from 13 encounters.Labuschagne, that will definitely come back home to Australia this week, finished the T20 Bang along with 228 go for 20.72 and also 15 arches at 12.86.