Man Utd beat West Ham to reach FA Cup quarter-finals as Spurs knocked out
Alejandro Ganaccio and Fred beat West Ham 3-1 in Wednesday's FA Cup quarter-final but Tottenham were stunned by Sheffield United up.
Elsewhere in the fifth round of the night, fourth-tier side Grimsby beat Premier League contenders Southampton 2-1 and Burnley beat 10-man Fleetwood 1-0.
Manchester United made six substitutions in Sunday's Carabao Cup final against Newcastle but lacked fluidity in front of an expecting crowd at Old Trafford.
United goalkeeper David de Gea tackled Michel Antonio midway through the opening game, and the West Ham striker sprinted for goal before Emerson Palmieri fired a tempting shot inside the box.
Elsewhere in the fifth round of the night, fourth-tier side Grimsby beat Premier League contenders Southampton 2-1 and Burnley beat 10-man Fleetwood 1-0.
Manchester United, who made six substitutions in Sunday's Carabao Cup final against Newcastle, lacked fluidity in front of the expecting crowd at Old Trafford.
United goalkeeper David de Gea held off Michel Antonio midway through the opening half and the West Ham striker sprinted for goal before Emerson Palmieri fired a tempting shot inside the box.
United manager Eric ten Hag replaced Scott McTominay with Casemiro at half-time but the hosts struggled.
Benrahma cost them in the 54th minute when he spun the ball past De Gea after the home defender stopped, thinking it had gone wide for a throw-in.
The goal prompted the Ten Witches to bring in top scorer Marcus Rashford, but Antonio had a chance to double West Ham's lead but was again thwarted by De Gea.
In the 72nd minute, Casemiro scored with a header, and Bruno Fernandez's header from a free kick was ruled offside by VAR.
Five minutes later United equalized with a header from Naif Aqel's header from Fernandes' corner.
The home side remain on top of their six-year trophy drought at the weekend as they continue their search for a winner.
They were rewarded, with Argentine teenager Ganacho giving United the lead with a 90th-minute right-footed strike before Fred scored in stoppage time.
"The best teams never stop believing," Manchester United captain Harry Maguire told ITV, "I'm not saying we are by far one of the best teams.
"We've got a lot of work to do but we're getting there, we're moving forward ... it feels like Stretford has sucked in the goal at the last minute."
spurs dumped
Tottenham were knocked out of the FA Cup by title rivals for the second consecutive year after Eliman N'Diaye sacked newly promoted Sheffield United in a 1-0 win at Bramall Lane.
Spurs had Harry Kane on as a substitute in the 79th minute but Kane had nowhere to go when he headed a cross in stoppage time.
Tottenham Hotspur assistant coach Christian Strini has apologized to fans on behalf of Antonio Conte, who is recovering from gallbladder surgery.
"If you don't win a game like this, it's because something wasn't perfect and we didn't have enough energy to give the opponent a lot of trouble today," he told the BBC.
New Southampton manager Ruben Seles has made nine changes to his side for their home game against League Two Grimsby.
Gavan Holohan's double penalty before and after half-time gave the visitors a 2-0 lead and Grimsby kept the lead despite Duje Caleta-Car halving the deficit.
Grimsby manager Paul Hurst told ITV: "We hoped for a miracle and it was unbelievable to reach the quarter-finals." "It was just a fantastic day and we went down in the history books. "
Championship leaders Burnley needed a Conor Roberts goal in the 90th minute to beat a 10-man side at league leaders Fleetwood.
Manchester City beat Bristol City 3-0 on Tuesday, while 2021 champions Leicester suffered a surprise 2-1 loss to second-tier side Blackburn Rovers.
Fulham beat Premier League contenders Leeds 2-0 and Brighton beat Championship side Stoke City 1-0.
In the quarter-finals, Manchester City faced Burnley, and Manchester United faced Fulham at home. Grimsby travel to Brighton, while Sheffield United host Blackburn.
United manager Eric ten Hager replaced Scott McTominay with Casemiro at half-time, but the home side remained in a slump.
Benrahma cost them in the 54th minute when he spun the ball past De Gea after the home defender stopped, thinking it had gone wide for a throw-in.
The goal prompted the Ten Witches to bring in top scorer Marcus Rashford, but Antonio had a chance to extend West Ham's lead but was again thwarted by De Gea.
Casemiro had the ball in the net in the 72nd minute but his header from a Bruno Fernandes free-kick was ruled out for offside following a VAR review.
United finally drew level five minutes later when Fernandes sent in a corner and Nayef Aguerd headed into his own goal.
The home side -- still on a high after ending their six-year trophy drought at the weekend -- poured forward in search of a winner.
They got their reward when Argentine teenager Garnacho produced a superb right-footed curler in the 90th minute to edge United ahead followed by a stoppage-time strike by Fred.
"The best teams never stop believing," United captain Harry Maguire told ITV. "I am not saying we are one of the best teams yet.
"We have a lot to do but we are getting there, we are taking steps forward... It felt like the Stretford End was sucking the goal in at the end there."
- Spurs dumped out -
Tottenham were dumped out of the FA Cup by Championship opposition for the second year in a row after Iliman Ndiaye fired promotion-chasing Sheffield United to a 1-0 win at Bramall Lane.
Spurs, who started Harry Kane on the bench, conceded in the 79th minute and could not find a way back, with Kane heading an Ivan Perisic cross over deep into injury time.
Tottenham assistant manager Cristian Stellini, standing in for Antonio Conte, who is recovering from gallbladder surgery, apologised to the fans.
"If you don't win a game like this it's because something was not perfect and today our energy was not enough to put the opponent in a great difficulty," he told the BBC.
New Southampton manager Ruben Selles made nine changes to his team for the home tie against League Two Grimsby.
Two Gavan Holohan penalties either side of half-time put the visitors 2-0 up and although Duje Caleta-Car halved the deficit, Grimsby held on.
"We turned up, hoping for a miracle and to be in the quarter-final is incredible," Grimsby manager Paul Hurst told ITV. "It is just a fantastic day, we have gone down in the history books."
Championship leaders Burnley needed a 90th-minute goal from Connor Roberts to edge out the 10 men of League One Fleetwood.
In Tuesday's matches, Manchester City beat Bristol City 3-0 while 2021 winners Leicester suffered a shock 2-1 defeat against second-tier Blackburn.
Fulham beat Premier League strugglers Leeds 2-0 and Brighton won 1-0 at Championship side Stoke.
City will take on Burnley in the quarter-finals, with Manchester United hosting Fulham. Grimsby travel to Brighton while Sheffield United host Blackburn.