MELBOURNE, AUSTRALIA - JUNE 30: Kade Simpson of the Blues in action during the 2018 AFL round15 match between the Carlton Blues and the Port Adelaide Power at the Melbourne Cricket Ground on June 30, 2018 in Melbourne, Australia. (Photo by Michael Willson/AFL Media/Getty Images)

Carlton have lost veteran defender Kade Simpson ahead of their clash with the Lions at the Gabba on Saturday afternoon.

Simpson is suffering from a tight calf, and has been replaced in the side by Darcy Lang, who will play his 50th AFL game.

Brisbane will go into the clash as named.