Boomer just said it has been made official. Worn 12 times starting with Home Opener.
I'll update when I can find a link.
Update:
Quote:
The Calgary Flames announced today that their retro jerseys will be worn as their third jerseys for a dozen dates beginning 2016-17. The club will don the classic red and yellow uniform at 12 home games this year, including some of the most notable dates on their calendar.
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Link has full list of dates they will be worn.
https://www.nhl.com/flames/news/flam...ey/c-282002110