Three points for the Hoops, coupled with a victory for Rangers, would boost Scotland's co-efficient and potentially confirm a second Champions League berth for the nation from the 2021/22 season.
Here's how the champions are expected to line up on Thursday night...
. Craig Gordon
Veteran 'keeper could be handed his sixth start of the season and has already featured in Europe against Nomme Kalju and AIK
. Moritz Bauer
Austrian defender is expected to come in at right-back for his third Europa League appearance of the season
. Nir Bitton
Israeli utility man came on as an auxiliary defender in Betfred Cup final and could start there on Thursday night
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Ian Baird challenges for the ball at Leeds Road. A John Sheridan strike earned the Whites a point.
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Andy Ritchie celebrates after scoring against the Royals. The other United goalscorers that day were John Buckley and Keith Edwards.