The Angouleme bulldozer has charted a remarkable voyage from Western Australia to the senior Scotland squad.
Talismanic co-captain Russell and free-scoring wing Graham were cast as doubts for the Calcutta Cup clash after suffering head injuries.
Finn Russell was hailed as “world class” after he helped Premiership leaders Bath end Sale’s unbeaten home league record this season with a hard-earned 32-23 win at Salford Stadium.
Bath’s refusal to be beaten propelled them to a gripping 26-24 Gallagher Premiership victory over Harlequins made possible by Francois van Wyk’s late try.
It's been a monumental year for women's rugby in Canada with the national team toppling world champions New Zealand for the first time in May en route to a maiden Pacific Four title.
Obano was sent off with almost an hour of the final left to play for a high tackle on Juarno Augustus which referee Christophe Ridley said presented a high level of danger with no mitigation.
The Twickenham showdown will see Bath’s £1million Scotland ringmaster Finn Russell and Saints’ emerging England fly-half Fin Smith go head to head in front of an 82,000 sell-out crowd.
Last season’s beaten finalists appeared poised to reach a second successive final when they courageously fought back from trailing 5-18 25 minutes into the knockout game at The Rec to lead 23-21 a dozen minutes into the second half.