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Celtic’s historic quadruple treble began in the 2016/17 campaign under the leadership of Brendan Rodgers.
The Hoops won the Scottish Premiership, Scottish League Cup and Scottish Cup in the same season for the first time since 2001.
Plenty of players turned out for Celtic during that iconic campaign, and today’s quiz will test your shirt number knowledge on 20 members of that squad who no longer play for the club.
We’ve given you three options for each player – can you get 100%?