The full-back then put in a fine performance in the 14-6 defeat of Scarlets at Scotstoun last Saturday to leave them four points behind fourth-placed Ospreys with two games in hand.
And ahead of Glasgow's clash against the Ospreys on Friday, Murchie admits he has missed the build-up associated with such big games.
"One of the things that kept me going throughout my rehab, was the thought that if I could get back early I would be timing it just right for the business end of the season," Murchie told the Glasgow Evening Times.
"The game with Ospreys is probably the biggest of the season, so far, for us. If we get the win, then we can draw level with them and continue to build our momentum when it matters most going forward to our third home game on the bounce with Treviso.
"To be involved in these games - with so much riding on each one - is fantastic when you have been out for the length of time I have.
"Now I have had the two games behind me I definitely feel that bit sharper.
"When you have been out for seven months, it brings it home to you just how much you miss the game."
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