.Marnus Labuschagne concluded his region season at Glamorgan with a record-breaking bowling efficiency during 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, including a triple-wicket maiden, to help roll Somerset for 123 in 13.3 overs at Sophia Gardens.It was the best bowling performance by a Glamorgan player in the T20 format, improving Graham Wagg's 5-15 against Worcestershire in June 2013. Carried right into the strike in the tenth over, Labuschagne removed rival captain Lewis Gregory before cleaning up Somerset's rear, with his 4 remaining dismissals each bowled.Gregory's shift triggered a frantic collapse of 7-35, along with Glamorgan cruising in the direction of a strong 123-run victory.Watch every round of the England v West Indies test collection LIVE & unique to Fox Cricket, offered on Kayo. New to Kayo? Start your totally free trial today > Marnus Labuschagne of Glamorgan. Image through Dan Istitene/Getty ImagesSource: Getty ImagesEarlier, Glamorgan published 4-243 coming from its 20 overs, the highest possible team total amount from this time's T20 Blast, with leader Kiran Carlson slapping a career-best 135 (64) after winning the shake and also deciding on to bat first.However, it wasn't good enough for the Welsh county to apply for the kos, finishing sixth in their group's standings along with 6 wins coming from thirteen encounters.Labuschagne, that will certainly return home to Australia this week, ended up the T20 Burst along with 228 go for 20.72 and also 15 wickets at 12.86.