Gloucester prop Sila Puafisi will join Glasgow once his Rugby World Cup commitments with Tonga are complete.
Peter Murchie says Glasgow Warriors are relishing the challenge of defending their Guinness PRO12 title this season.
Scotland head coach Vern Cotter has released seven players from an extended training squad ahead of next month's World Cup.
Glasgow have signed Fiji-born winger Junior Bulumakau from the British Army on a one-year contract.
Glasgow have added four players to their squad to help them through the World Cup period.
Glasgow Warriors will kick off the defence of their GUINNESS PRO12 title at home to the Scarlets, live on Sky Sports.
Former Scotland Sevens captain Colin Gregor has been forced to retire because of a knee injury.
Defending champions Toulon have been drawn in a brutal pool with Bath, Leinster and Wasps in the 2015/16 Champions Cup.
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