Shane Williams will line up alongside other recent call-ups Christian Wade, Brad Barritt, Billy Twelvetrees, Ryan Grant and Rory Best on Tuesday against the Brumbies.
The Lions are protecting Wales winger George North, who reported a tight hamstring against a Combined Country XV last Tuesday.
Another man who was likely to start against Australia on Saturday, Jamie Roberts, suffered a leg injury in the win over New South Wales Waratahs yesterday.
Lions team to play ACT Brumbies: R Kearney; C Wade, B Barritt, B Twelvetrees, S Williams; S Hogg, B Youngs; R Grant, R Best (capt), M Stevens, I Evans, R Gray, S O'Brien, J Tipuric, T Faletau.
Replacements: R Hibbard, A Corbisiero, D Cole, G Parling, D Lydiate, C Murray, O Farrell, S Zebo.
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Breezy overnight. It will become fairly cloudy as the night progresses.
It should turn cloudier through the early hours with some patchy drizzle and some hill fog too.
It will be a breezy day with variable amounts of cloud and some bright or sunny spells.