Leyton Orient 1-2 Manchester City: FA Cup Round 4 result as super sub Kevin De Bruyne nets late winner to avoid upset

Perkins fires a first-time shot from 15 yards over the top after the hosts had brilliantly opened City up down the left.

Marmoush's left-wing free kick is punched clear by Keeley before Savinho rifles a first-time follow-up just over from 25 yards out.

A spell of pressure sees Gundogan's shot blocked before Silva's far post effort is cleared off the line by Donley!

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Keeley is back up and running after some treatment from the physio. It's not quite clear what the problem is/was but it also gave boss, Richie Wellins a chance to bring his team together and offer more instructions.

A tame header from a right-wing corner is easily gathered by Josh Keeley, who then kicks the ball out for some treatment.

Orient won't want to lose their 'keeper here.

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Savinho's attempted cross-field pass slams straight into the face of Jaiyesimi from point-blank range.

Understandably, the Orient man needs some treatment.

The good news is that he's just a bit stunned and after a splash of the magic sponge, he's ready to continue.

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Bernardo Silva on for Gonzalez.

One of the new boys, Gonzalez is down receiving treatment on his back.

City are preparing a change.

The Premier League champions felt there was a foul on Gonzalez in the lead up to the goal.

There's no VAR, so no chance of a reprieve.

Wow! The League One side lead as Jamie Donley's audacious 45-yard lob hits the underside of the bar before bouncing into the net off Ortega.

It will most likely go down as an own goal from the City goalkeeper, but the creativity and audacity of Donley deserves more.

Kelman races beyond Dias and surges into the area. He manages to slide a shot from the left towards goal despite a heavy touch, but the advancing Ortega gets his angles right and makes a fine block.

City have won their last 17 FA Cup games against teams from a lower league by an aggregate score of 67-8.

Gundogan contrives to drag wide with the goal gaping after Savinho had latched on to a diagonal pass and put it on a plate with a low ball across the area.

The visitors are looking to blunt The O's early promise and are beginning to dictate the game.

The O's have caused a few alarms early doors with direct balls into the left channel and they finally put a bit of quality together when Currie flashes a low cross into the six-yard box.

Ortega lets it go and is fortunate that there's a push on a City man in the scramble to bundle it home.

Meanwhile, at the other end Grealish drills wide of the near post after jinking in from the left.

Perhaps unsurprisingly, The Citizens have won both of their previous FA Cup ties with Leyton Orient, triumphing 4-1 in R1 way back in January 1920 (first round) and then by a 6-1 scoreline in the last eight, six years later.

Overall, this is the first showdown between the teams since a 2-2 draw in the old second division back in 1966.