The 6ft 4in, 115kg flanker joined Edinburgh from Bristol Bears ahead of the 2019/20 season following two years at Ashton Gate.
Haining joined Bristol from Jersey Reds at the beginning of the 2017/18 season, having been one of the Channel Islanders’ standout performers in the English Championship.
In his first year in the West Country, the back-row played a pivotal role in helping Bristol to an immediate return to the Premiership.
He scored eight tries in 33 appearances during his two seasons in Bristol and has made 13 appearances since joining the capital club.
He is eligible to play for Scotland through his grandmother from Dundee.
His road to the back-row was a long one, starting out in the back-three as a wing / full-back in the Western Force academy, moving in-field to centre before eventually selling in the back-row when he move to the UK.
He made his Scotland debut against Ireland in Dublin on February 1.
Date of birth: 01/09/90
Scotland Debut: Uncapped
Place of birth:
2019 to present
Ireland, England (replacement)