Norwood slides in, bringing down Moore to offer O'Leary the chance to send forward one final free-kick. The goalkeeper rushes forward but his delivery is poor as it races over the top and into the hands of Ramsdale.
90'
Palmer clips the heels of Fleck to offer the hosts a chance to waste some vital seconds as the fourth official announces there will be three minutes of added time.
89'
Burke drives through the middle before sensibly opting to play backwards to Lundstram instead of attacking O'Leary's goal as his side look to see out the rest of this FA Cup tie.
87'
Bogle and Lowe combine, exchanging passes with each other before the latter wins a corner for his on the left-hand side. The home side work the set-piece short, with Lowe then seeing his shot deflected behind for another corner.
85'
After dominating the entirety of this second half, the hosts now appear under some pressure against the ten-man Robins. Palmer and Massengo are continually finding space, looking to test Egan and Basham over the top but, at the moment, Wilder's men still have the one-goal advantage.
83'
O. Burke enters the game and replaces R. Brewster.
Brewster, who remains in need of a goal, comes off and Burke takes his place up top.
82'
Bogle switches off and does not realise Towler is behind him, nearly inviting the visitors' youngster to ghost in behind him and challenge Ramsdale. Fortunately for the hosts, the assistant on the far side has his flag up for offside against Towler.
81'
Palmer sends a free-kick long but the hosts stand firm to head clear. Brewster then latches onto the loose ball, however, the forward still manages to foul Massengo, offering the Robins another chance to cross from deep.
77'
Despite having the one-man disadvantage, Holden's changes mean the visitors have shifted to a 4-4-1 formation as they go in search of an equaliser at Bramall Lane.
Minute
Description
76'
A. Semenyo enters the game and replaces F. Diédhiou.
K. Palmer enters the game and replaces J. Paterson.
Paterson comes off as part of Holden's double change and ex-Chelsea man Palmer is the substitute brought on.
Diedhiou is the next man to be substituted and his replacement is Semenyo.
75'
Norwood's first involvement sees him carelessly give away possession before Lundstram gets his team-mate out of trouble, dispossessing Vyner in the middle of the park and playing towards the left-hand side. McGoldrick receives the ball, roaming inside and blasting a right-footed effort well over the bar.
73'
H. Massengo enters the game and replaces N. Wells.
O. Norwood enters the game and replaces B. Sharp.
Sharp slowly wanders off the pitch and the Blades' captain is replaced by midfielder Norwood, meaning McGoldrick will move further forward to partner Brewster up top.
Massengo is brought on for Wells, who wasted a glorious chance to tee up Paterson at the start of this half.
71'
Basham loops around Bogle before the centre-back fires a cross towards the front post, where Moore produces a heroic sliding tackle to deny Sharp from scoring. The resulting corner then drifts over Brewster and out for a goal-kick at the far post.
66'
Penalty goal scored by B. Sharp for Sheffield United!
GOALLLLL! 1-0 UNITED! Sharp calmly walks up to the ball, firing his right-footed effort into the bottom left corner of the goal. O'Leary dives the right way but the penalty is already past him by the time he has got there.
65'
A. Mawson goes off after a red card!
RED CARD FOR CITY! For his interferences in front of goal and denying a clear scoring opportunity, referee Jones has no choice to send off Mawson as he awards the penalty to the hosts.
61'
As the game passes the 60th minute, it is clear Wilder's men have come out a different side after the half-time whistle. They have ramped up the pressure, increasing the pace of their passes and movements but still they remain in search of that crucial opening goal.
59'
The home side press high up the pitch relentlessly, however, Holden's men remain calm, playing through the press as Towler and Kalas exchange passes. Despite the defence's hard work to escape the attentions of McGoldrick and Sharp, Wells then gives the ball away up top and Egan looks to launch a counter-attack for the hosts.
57'
Á. Nagy enters the game and replaces J. Williams.
Nagy comes on for the injured Williams, who had just hobbled off the pitch moments before.
55'
Sharp throws his arms in the air as Bogle takes an age to roll the striker through inside the area. Due to the right wing-back's delayed pass, the Blades' captain just lets it run through to the hands of O'Leary, aware he was quite a few yards offside.
53'
Brewster rolls in Sharp, who then unselfishly looks to pass across goal instead of shooting towards O'Leary's near post. United have started this half with real purpose and intent but have yet to test O'Leary still.
51'
Fleck whips in the inswinging corner but Sharp drags down Diedhiou to offer the visitors a free-kick inside their own area. A needless foul from the Blades' captain which relieves the pressure on the Robins.
50'
McGoldrick drills a low cross towards the far post, encouraging Brewster to slide in and convert past O'Leary. The striker, however, is caught on his heels which allows Towler to hook a clearance out for a corner.
48'
Bogle curls in an inviting cross towards the penalty spot, where Sharp is unaware of what is around him and catches Moore with a high boot. Thankfully for the visitors, the centre-back quickly gets back up and play resumes.
46'
Both sets of players have returned from the tunnel at Bramall Lane and referee Jones gets the second half underway!
45' +2
HALF-TIME: SHEFFIELD UNITED 0-0 BRISTOL CITY
45' +1
Moore gets across his marker to meet Paterson's set-piece but the centre-back can only head well over Ramsdale's goal.
45'
Wells appears to have run into a corridor where he cannot progress on the right until Lowe comes across and bundles the forward over. Holden's side have a free-kick in a decent position just as the fourth official indicates there will be one minute of added time.
44'
Ampadu and Lowe have a two-on-one situation in the left-hand channel but the centre-back's pass is overhit, meaning Lowe has to stretch and can only cross into the grateful hands of O'Leary inside the Robins' area.
43'
Wells, who has cut a frustrated figure all game, needlessly fouls Ampadu before offloading a few choice words towards referee Jones. After a quick chat, play resumes with Wells lucky to escape a booking for dissent.
41'
Moore swings in a dangerous cross towards the far post for Diedhiou. Lundstram miscues his first clearance, teeing up Wells to shoot from 20 yards out. The Robins' forward does manage to get his shot off but shoots well over the bar, despite being under relatively little pressure.
37'
Lundstram tests O'Leary from range, drilling a right-footed effort into the hands of the goalkeeper from around 30 yards out. The midfielder was never going to score from that sort of range but it was worth a go nevertheless.
34'
The Robins' first corner of the game is wasteful, allowing the hosts to comfortably head clear at the near post. Sharp latches onto the clearance but fails to retain possession as he plays a stray pass to the right of him.
32'
Bogle pokes through for Sharp inside the area and the Blades' captain then shoots into the feet of O'Leary from a tight angle to the left of goal. However, none of that will matter as the assistant on the far side has their flag up for offside.
26'
United have seen more of the ball as of yet but have failed to create any significant chances, barring Lowe's effort around the 10th minute. The Robins appear content to sit a little deeper, weighing up their counter-attacking options and inviting the top-flight side to assert their dominance on this cup tie.
24'
Bogle attempts a cute flick around the corner for Brewster to run onto but the wing-back's attempted throughball is slightly overhit, allowing O'Leary to race out and collect.
22'
Fleck sends a low free-kick towards the far post, where McGoldrick directs a teasing cross back across goal. Sharp and Brewster appear interested until Paterson nips in and wins an important foul for Holden's side.
21'
The hosts work possession from side to side for a minute or so before Wells carelessly fouls Fleck to the left of the area, offering the home side a free-kick around 20 yards from goal in a decent position.
19'
Brewster looks to race onto a floated pass over the top but Kalas comes across, sheltering the ball out of play and slamming the Blades' forward into the advertising boards around the pitch. Fortunately, Brewster quickly returns to his feet and does not seem to have done himself any damage.
17'
Lundstram has two attempts at finding his colleagues in the area but, on both occasions, Vyner is on hand to head clear, towering above the likes of Basham and Ampadu.
16'
Sharp drives down the left, getting his head up and looking to drill a left-footed cross towards the near post. McGoldrick looks set to profit from his captain's cross until Kalas turns it behind for a corner.
14'
United start with a high line, inviting the away side to chip the free-kick over the top and beat the trap. Holden's team instead opt to go short before Vyner sends a cross over the heads of all his team-mates and out for a goal-kick.
13'
McGoldrick hacks at Williams' heels but fails to bring him down in the middle of the park. Bogle, perhaps aware of the danger, comes across and bundles over the midfielder, offering the visitors a free-kick 35 yards from goal.
12'
Diedhiou buys a foul for his side inside their own half, going down softly but doing enough to convince referee Jones to blow his whistle. The Robins play it long, however, Basham and Egan combine to deal with the danger before playing backwards to Ramsdale.
6'
A first corner of the game comes as McGoldrick's long-range effort gets deflected over the top of O'Leary's goal. The Blades take it short and the resulting cross is poor, straight into the hands of the visitors' goalkeeper at the near post.
5'
Egan's downwards header places some needless pressure on Ampadu, however, the loanee quickly deals with the problem, twisting one way and then the other to escape the incoming Wells in the right-hand channel.
3'
Mawson climbs above Sharp inside the Robins' area, heading clear before the likes of Brewster or McGoldrick can pounce on the edge of the box. Sharp then darts into the area but his left-footed cross evades his team-mates at the back post.
2'
Ramsdale deals with an awkward bouncing ball, teeing it up before smashing it long under the pressure of Wells. The goalkeeper did well there, considering the pass backwards from Egan was not the easiest to control.
1'
Referee Robert Jones blows his whistle to get this FA Cup fifth-round fixture underway!
Hello and welcome to live coverage of the FA Cup fifth-round tie between Sheffield United and Bristol City at Bramall Lane.
SHEFFIELD UNITED (3-4-1-2): Aaron Ramsdale; John Egan, Ethan Ampadu, John Egan; Max Lowe, John Lundstram, John Fleck, Jayden Bogle; David McGoldrick; Billy Sharp, Rhian Brewster.
SUBS: Wes Foderingham, Oliver Norwood, Lys Mousset, Oliver Burke, Oliver McBurnie, Phil Jagielka, Kean Bryan, Ben Osborn, Frankie Maguire.
The Blades remain at the bottom of the top-flight table, most recently losing to Chelsea 2-1 at the weekend. Despite not collecting a point in three games, the Robins sit 10th in the Championship and are still in promotion contention via the playoffs. The hosts overcame Plymouth Argyle to reach this stage, while the visitors cruised past Millwall in the previous stage of the FA Cup.
SUBS: Daniel Bentley, Adam Nagy, Adrian Mariappa, Tyreeq Bakinson, Samuel Bell, Sam Pearson, Kasey Palmer, Han-Noah Massengo, Antoine Semenyo.
The players are making their way out the tunnel at Bramall Lane and shortly it will be time for kick-off.
BRISTOL CITY (3-4-1-2): Max O’Leary; Tomas Kalas, Alfie Mawson, Taylor Moore; Jack Hunt, Ryley Towler, Zak Vyner, Jamie Paterson; Joe Williams; Nakhi Wells, Famara Diedhiou.
Wilder will be demanding more from his men at half-time, after his side have dominated the ball but done fairly little with it. The Blades could look to Burke or McBurnie off the bench for some attacking inspiration. In contrast, Holden is likely to be happy with the visitors' efforts as of yet, however, he may be conscious they too have offered little going forward.
That is all from this FA Cup fifth-round tie, until next time!
United return to Premier League action with a trip to West Ham as Wilder's side remain rooted to the bottom of the table. They will find out their quarter-final opponents on Thursday but their attentions will undoubtedly turn back to the league, where they have struggled all season. City, who are 10th in the Championship, will look to return to winning ways as they travel to Watford at the weekend.
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