Duk grabbed a second-half double to settle the game, but it was Shayden Morris (right) who was the driving force for Aberdeen until then, the winger opening the scoring, being denied a second by the post and constantly worrying the Elgin City defence with his pace as his side advanced to the Scottish Cup last 16.
Aberdeen fans and their players will have breathed a sigh of relief as they eased aside Elgin City to end their 12-game run without a win and reach the Scottish Cup fifth round.
The Rugby Park boss is sure the right-back will bring "pace, quality and confidence" to Kilmarnock and feels that his job for the next few months is to "find the boy we all know is in there". "In all honesty it's not gone as well as he, or Liverpool, would've expected," McInnes said of Ramsay's move to Merseyside.
Kilmarnock manager Derek McInnes has backed Calvin Ramsay to reignite his career at Rugby Park after signing the defender on loan from Liverpool
Aberdeen have agreed a fee for Kristers Tobers and we bring all the latest transfer updates from the Scottish Premiership.
KILMARNOCK are set to win the race for Liverpool’s Calvin Ramsay.  The 21-year-old is available on loan after being recalled from a spell with Wigan during the first half of the season.
The Liverpool right back sealed a return to Scotland with a loan move to Rugby Park for the rest of the season.
The January window has entered its final two weeks and the push for new signings is only strengthening. Arsenal are reportedly readying a bid for Benjamin Sesko after reigniting their interest, though RB Leipzig are demanding big bucks. Nico Williams, Dusan Vlahovic and Bryan Mbeumo have all also been linked.
THE January transfer window is rolling on at full speed – and some huge moves are still in the pipeline. Arsenal have been heavily linked with RB Leipzig striker Benjamin Sesko as Mikel
Naismith these days plays for Pompey's Championship rivals Bristol City, but has found himself out of favour at Ashton Gate. He's been dealing with some injury problems this term too, and Aberdeen are apparently keen to take him on loan.
Along with Sir Bobby Charlton and George Best, the Scottish great formed part of one of the most famous football trios of all time
The 21-year-old's move south hasn't worked out - but McInnes is confident Killie can provide the catalyst to turning that around