Celtic clinched the Scottish Premiership title on Wednesday after a 1-1 draw at Dundee United, their 31st league game in a row unbeaten.
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Celtic, who also clinched the League Cup earlier in the season, wrapped up their 52nd top flight league title by moving to 90 points, an unassailable four-point lead with one game to play ahead of last year's title winners Rangers.
"I'm so proud of the lads, everyone at the club," captain Callum McGregor told the BBC.
"It's a new group and we've been absolutely relentless since day one.
"These scenes will live in my heart for ever."