Manchester United is missing a key ingredient that consistently gets right, according to former skipper . The United legend didn't hold back in his criticism of during the nail-biting FA Cup victory over Leicester City on Friday night.

Ruben Amorim's squad narrowly secured their spot in the fifth round, thanks to a controvesial last-minute goal from Harry Maguire against his old club - aided by the absence of VAR. This final push to avoid extra time and potentially another penalty shootout didn't impress Keane.

He argued that United should display the same attacking drive seen in the closing stages - akin to Liverpool's approach - throughout the full 90 minutes.

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"You have to get bodies in the box - you see Liverpool at the moment, Liverpool is getting four, five, six bodies in the box. We've seen United a couple of times, balls going in and one or two, the fans are frustrated," the ex-midfielder turned pundit lamented on ITV.

"Whereas towards the end, we've seen United in a panic then started getting bodies in the box, taking gambles. To play at Man United you've gotta gamble. You've gotta try and win football matches."

Playing against the Premier League's 18th-ranked side in the FA Cup, United had 13 attempts at goal, four hitting the target. During the disappointing 2-0 loss at home to Crystal Palace, Amorim's side tallied 17 shots but only managed two on target.

Meanwhile, on Thursday night in the Carabao Cup, turning the tide on aggregate to secure a spot in March's final, peppering Spurs' goal with 26 attempts, 10 of which were on target.

It's been two months since Liverpool recorded fewer than four shots on target in any match, a testament to their relentless offense.

Reflecting on United's performance against Leicester, a disparaging comment by Keane summed it up: "We've seen two bad teams out there tonight. A team with a bit more quality than Leicester would have got the job done. United rode their luck."

"I don't see a team. Give them credit because they've got the result but you don't see a team going forward. It's progress, signs are good, [they look like a moments team] and there's still nowhere near enough good moments. They look like a bunch of strangers."