Wallabies star David Pocock is among three forced changes for the Brumbies’ Super Rugby clash with the Chiefs on Saturday night.

Pocock was concussed five minutes into last week’s season-opener against the Melbourne Rebels, while wingers Henry Speight (hip) and Toni Pulu (cheekbone) also suffered injuries in the 34-27 defeat.

Brumbies: Tom Banks, Chance Peni, Tevita Kuridrani, Irae Simone, Andy Muirhead, Christian Lealiifano (capt), Joe Powell, Lachlan McCaffrey, Tom Cusack, Rob Valetini, Sam Carter, Rory Arnold, Allan Alaalatoa, Folau Fainga’a. James Slipper. Res: Josh Mann-Rea, Scott Sio, Leslie Leuluaialii-Makin, Blake Enever, Pete Samu, Matt Lucas, Wharenui Hawera, Tom Wright.