Midfielder Ali Crawford admits he knew nothing about Hamilton giantkiller Adrian Sprott until he created a famous upset of his own against Celtic two and a half years ago.
But he reckons it will be just as big a shock if his current Accies side can repeat the feat managed by Sprott back in January 1987 and knock Rangers out of the Scottish Cup.
John Lambie's Douglas Park part-timers caused a sensation when they dumped Graeme Souness' big-spending Light Blues out of the competition three decades ago.
Read more: Exclusive: Waiting game continues as Rangers close in on Ross Wilson and Pedro Caixinha
Sprott wrote his name into Scottish football folklore by grabbing the only goal at Ibrox, ending Rangers goalkeeper Chris Woods' record-breaking run of 1196 consecutive minutes without conceding a goal.
But Crawford, who was not born until 1991, admits he only recently learned about Accies' historic triumph back in 2014, when his goal handed the Lanarkshire side their first win at Celtic Park in 76 years.
He hopes to spark another stir this weekend when they travel to Ibrox for their crunch quarter-final.
And even though Rangers, who will be bossed once again by caretaker Graeme Murty, remain in a state of flux, Crawford believes a victory for Hamilton would still rank as a major surprise.
"I was born in 1991, so that game was before my time," said the playmaker when asked about Sprott's 1987 heroics. "But I've heard about it. I know it was John Lambie who was in charge that day.
"After I scored the winner against Celtic a couple of years back Adrian's name got bandied about a bit. I've heard a little about him but not much.
"That was a big shock then and I think this would be too if we could beat Rangers.
"Look where we are in the league and the way we have been playing this season. It would be a pretty decent upset.
"Rangers have come up through the leagues and were expected to challenge Celtic. They have high expectations, so for us to go to their home patch and put them out in the last eight would be a great win for us.
Read more: Exclusive: Waiting game continues as Rangers close in on Ross Wilson and Pedro Caixinha
"Their recent run hasn't been great. But after our win against Aberdeen on Tuesday we will be going in high in confidence. The pressure will be on Rangers to put on a performance in front of their home crowd.
"It would be good for the club and the fans if we could make it to the semis. They have not had that much to get excited about recently so hopefully we can given them something to cheer about on Saturday."
Accies' victory over the Dons moved them off the Ladbrokes Premiership's bottom spot and up to 10th.
But what has been a difficult campaign for Martin Canning's side started brightly when a sublime Crawford strike handed them a deserved point at Ibrox on the opening day.
The 25-year-old has enjoyed watching the replays of his goal - which saw him turn Croatian star Niko Kranjcar inside out before beating Wes Foderingham with a cool finish - on social media and would love a repeat this weekend.
Crawford said: "I've been tagged in clips of the goal a couple of times, so it always pops up on my timeline.
"It was a great way to start my season off and hopefully I can repeat the feat on Saturday.
Read more: Exclusive: Waiting game continues as Rangers close in on Ross Wilson and Pedro Caixinha
"That game has got to be up there with some of my best ever performances.
"But that doesn't matter now. We started well but have fallen away a bit in the league and that league position is now the most important thing for us this season.
"We'll go into Saturday's game with no pressure and we will be the underdog, so we have nothing to fear. But if we can play the way we did on the opening day of the season we will have a great chance of getting to Hampden."
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