The 23-year-old would have made his Scotland debut a month ago but suffered a broken thumb at the national squad's training camp just days before the game, but he has recovered quickly and is set to prove he is ready for new responsibilities.
His recall is one of six changes to the side that set new Pro12 records when rattling in eight tries and 60 points in all at Newport Gwent Dragons last week and he has been excited by what has happened in his absence.
"It has been really frustrating to be out, but on the plus side both teams have been playing really well, which is great to see. Now it's a case of coming in and making sure that I play up to the standard that everyone else has a set," he said.
Victory tonight would put Glasgow in an ideal position to clinch a home semi-final and, with the erection of the temporary west stand having stretched Scotsoun's capacity, only a few hundred tickets remain available to see if they can do it.