He sat out the first seven games of the season after being found guilty of approaching Hull KR illegally whilst still contracted to the black and whites, but the Robins coach has launched a vigorous defence of the player after watching his side halt a three game winless run with a victory over the Bulls.
Visiting skipper Craig Bryson sparked a break which allowed Gros to power away from the Saints defence but the former Le Havre player screwed his shot across the goal and wide from 20 yards out.
Determined to turn GEC into a major telecoms player, Lord Simpson sold off its defence assets, changed its name to Marconi, and borrowed heavily to fund an acquisition spree aimed at building up its presence in the telecoms sector.
But Gatland says that Henson's public persona is at odds with the hard-training player he knows and says that Wales are still missing the attributes - particularly in defence - that Henson brought to the side.
The Czech Republic had opted to play with one defensive midfield player against Russia in the hope that they would be able to apply pressure to a slow Russia defence.