Celtic manager Brendan Rodgers has named his team to face St Mirren this afternoon.
The Scottish Premiership champions return to competitive action as they welcome Stephen Robinson's men to Glasgow's east end.
The league flag will be unfurled by Paul McStay pre-match.
The sides last met on the final league matchday of last term, with James Forrest's late leveller cancelling out Jonah Ayunga's opener.
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Rodgers and Celtic will be hoping for a much more comfortable afternoon today as they aim to move two points clear of city rivals Rangers after their draw with Motherwell at Fir Park on Saturday night.
Kasper Schmeichel begins in goal for the hosts, with Kieran Tierney making his first competitive appearance in green and white in over six years at left-back.
Callum McGregor captains the team in midfield as Adam Idah leads the line.
In total, there are nine changes from Celtic's final pre-season starting XI that drew 1-1 with Al Ahli in 90 minutes before defeating the Asian champions on penalties.
Kick-off this afternoon is at the rather unorthodox time of 4.30pm.
Celtic flag day starting XI: Schmeichel, Johnston, Carter-Vickers, Scales, Tierney, McGregor, Hatate, Nygren, Yang, Maeda, Idah.
Subs: Sinisalo, Trusty, McCowan, Shin, Kenny, Engels, Bernardo, Forrest, Ralston.
