Kyogo Furuhashi moved on to 20 goals for the season as Celtic “stuck to our principles” to sail through to the last 16 of the Scottish Cup with a comfortable win over second-tier Morton.
Aaron Mooy’s controversial penalty, awarded for handball against Efe Ambrose after a VAR review, put Celtic in front and Kyogo quickly doubled their advantage.
David Turnbull’s tidy finish and another from Kyogo had the hosts four up at the break and Mooy struck his second late on.
It means Ange Postecoglou’s side are the first to claim a place in Sunday’s draw.
“It was really professional and we scored some good goals,” said Postecoglou.
“Since the World Cup, Aaron [Mooy’s] been outstanding for us. He’s been a real key contributor. It was great for Dave [Turnbull] to get a start. He worked himself into the game.
“Kyogo’s continuing to score goals and he works really hard. Him and Liel [Abada] in the first half were really good, both with their energy and their pressing, helping us in the defensive side of things and helping us the other way.”
It was Morton who started the brighter in Glasgow’s east end.
The long throw-ins of Lewis Strapp were particularly potent, with the left-back starting and finishing a move that drew a save from Joe Hart and offered encouragement to the travelling fans.
Another Morton set play, a corner, allowed a free header for Jack Baird, but Celtic cleared.
Liel Abada tried to take matters into his own hands at the other end and found his route to goal blocked. However, a lengthy VAR review ensued with Abada’s shot having deflected off Baird on to the arm of former Celtic defender Ambrose.
Referee Kevin Clancy pointed to the spot and Mooy finished confidently. The shaking of Morton manager Dougie Imrie’s head communicated his feelings on the penalty award, which came in one of only three ties this round to use VAR.
Abada and Ambrose were also involved in Celtic’s second, with the defender conceding possession and Kyogo receiving Abada’s pass to finish in the inside right channel.
Strapp could not convert an inviting chance moments later, instead fouling Alastair Johnston in the process and Abada continued to torment Morton with a shot over.
And Turnbull all but ended the contest with a superbly struck shot from the edge of the box after Abada and Kyogo combined to set up the Scotland midfielder.
The hosts just kept coming and Grant Gillespie miscued while attempting to clear Abada’s cross and Kyogo took advantage with a shot high past goalkeeper Brian Schwake.
Postecoglou gave Tomoki Iwata a debut as a half-time replacement for Callum McGregor, and Mooy was inches away from doubling his tally for the day with a strike off a post from close range before Turnbull tested Schwake soon after.
Abada claimed for another handball after his cross was cut out by Ambrose. The ball did strike the defender’s supporting arm as he slid to the ground and a corner was awarded.
Johnston’s first Celtic goal almost arrived after intricate passing with Mooy, Schwake smothering the close-range shot.
But a fifth goal came when Sead Haksabanovic found Mooy in the six-yard box and the Australian finished ruthlessly.
Player of the match – Liel Abada

What they said
Celtic midfielder David Turnbull: “In the first 10 minutes, we were under pressure but after that we played our football.
“I’m just trying to get as many goals and assist as I can. It’s a big squad and everybody does their job and gives 100%. You just have to give your all. I’ll be delighted to see who we can get in the next round.”
Morton manager Dougie Imrie: “First 15, 20 minutes, we were well in the game and, again, VAR changes everything. No-one really sees anything. I don’t know how Efe’s meant to get his hand out of the road. It takes a deflection and it’s so close. I just don’t know how they can give a penalty.
“After that, we kind of felt sorry for ourselves, we lost another goal in quick succession. We had a couple of opportunities, but we lose another two goals that kills our hopes of getting anything.”
Line-ups
Celtic
Formation 4-3-3
- 1Hart
- 2Johnston
- 4StarfeltSubstituted forLawalat 87′minutes
- 18Kobayashi
- 25Bernabei
- 13Mooy
- 42McGregorSubstituted forIwataat 45′minutes
- 14TurnbullSubstituted forO’Rileyat 77′minutes
- 11AbadaSubstituted forForrestat 59′minutes
- 8FuruhashiSubstituted forHaksabanovicat 45′minutes
- 38Maeda
Substitutes
- 9Haksabanovic
- 17Neves Filipe
- 24Iwata
- 29Bain
- 33O’Riley
- 41Hatate
- 49Forrest
- 50Lawal
- 57Welsh
Morton
Formation 4-2-3-1
- 1Schwake
- 23Grimshaw
- 5Baird
- 12Ambrose
- 3StrappSubstituted forO’Connorat 45′minutes
- 21GillespieSubstituted forKingat 45′minutes
- 8Blues
- 10QuitongoSubstituted forMcGrattanat 59′minutes
- 14Crawford
- 11MillerSubstituted forGarrityat 81′minutes
- 9MuirheadSubstituted forRoyat 73′minutes
Substitutes
- 2Pignatiello
- 4O’Connor
- 7Roy
- 17McGrattan
- 18Garrity
- 20Green
- 25King
- 47Lithgow
Live Text
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Match ends, Celtic 5, Morton 0.
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Second Half ends, Celtic 5, Morton 0.
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Corner, Celtic. Conceded by Efe Ambrose.
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Attempt missed. Sead Haksabanovic (Celtic) left footed shot from outside the box misses to the left.
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Attempt blocked. Aaron Mooy (Celtic) left footed shot from outside the box is blocked.
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Attempt blocked. Tomoki Iwata (Celtic) left footed shot from the right side of the box is blocked. Assisted by Matt O’Riley.
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Attempt blocked. Matt O’Riley (Celtic) left footed shot from outside the box is blocked. Assisted by Alistair Johnston.
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Sead Haksabanovic (Celtic) wins a free kick on the left wing.
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Foul by Lewis McGrattan (Morton).
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Attempt missed. Bosun Lawal (Celtic) header from the centre of the box misses to the right following a corner.
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Corner, Celtic. Conceded by Alex King.
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Substitution, Celtic. Bosun Lawal replaces Carl Starfelt.
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Corner, Celtic. Conceded by Alex King.
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Attempt blocked. Sead Haksabanovic (Celtic) right footed shot from outside the box is blocked. Assisted by Daizen Maeda.
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Foul by Tomoki Iwata (Celtic).
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Robbie Crawford (Morton) wins a free kick in the attacking half.
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Goal! Celtic 5, Morton 0. Aaron Mooy (Celtic) left footed shot from the centre of the box to the bottom right corner. Assisted by Sead Haksabanovic.
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Substitution, Morton. Michael Garrity replaces Calvin Miller.
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Corner, Morton. Conceded by Carl Starfelt.
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Sead Haksabanovic (Celtic) wins a free kick in the defensive half.
Player of the match
McGrattanLewis McGrattan
Celtic
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Squad number2Player nameJohnston
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Squad number1Player nameHart
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Squad number4Player nameStarfelt
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Squad number38Player nameMaeda
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Squad number25Player nameBernabei
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Squad number8Player nameFuruhashi
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Squad number42Player nameMcGregor
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Squad number14Player nameTurnbull
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Squad number11Player nameAbada
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Squad number33Player nameO’Riley
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Squad number13Player nameMooy
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Squad number18Player nameKobayashi
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Squad number50Player nameLawal
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Squad number9Player nameHaksabanovic
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Squad number49Player nameForrest
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Squad number24Player nameIwata
Greenock Morton
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Squad number17Player nameMcGrattan
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Squad number14Player nameCrawford
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Squad number10Player nameQuitongo
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Squad number4Player nameO’Connor
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Squad number9Player nameMuirhead
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Squad number3Player nameStrapp
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Squad number21Player nameGillespie
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Squad number5Player nameBaird
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Squad number23Player nameGrimshaw
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Squad number25Player nameKing
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Squad number18Player nameGarrity
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Squad number11Player nameMiller
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Squad number1Player nameSchwake
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Squad number8Player nameBlues
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Squad number7Player nameRoy
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Squad number12Player nameEfe Ambrose