The Glasgow club were in the bottom tier of Scottish football as recently as 2012 after their financial collapse, and returned to the top flight five years ago.
Rangers’ first game as champions will be the third Old Firm game of the campaign at Celtic Park on March 21.
‘They thoroughly deserve it’ – reaction
Former Rangers player and manager Graeme Souness on Sky Sports: “Delighted for Steven Gerrard and all his team. Celtic have had a period of dominance, which has been, I’ll say, uncomfortable for us Rangers supporters. They thoroughly deserve it. They’ve been fantastic all season and I just wish I was in Glasgow right now.”
Test your knowledge of Rangers’ season
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