Lacey scores on full debut but United squander two-goal lead to lose to Brighton

Shea Lacey scored on his full Manchester United debut at Old Trafford in the Carabao Cup, but his moment of promise could not prevent United from collapsing to defeat against Brighton after leading by two goals.

The 19-year-old winger opened the scoring eight minutes into his first start, cutting inside from the right to finish with his left foot — his signature move — before kissing the United badge in front of 80,000 fans. It was a goal that drew a thunderous reaction from the crowd, but the result ultimately went against the hosts as Brighton overturned the deficit.

Lacey’s opportunity came partly through circumstance. The build-up to the match had been dominated by 15-year-old JJ Gabriel’s request to leave the club, with manager Michael Carrick having initially planned to include Gabriel in the squad. United sources insist Gabriel would have come off the bench, which would have made him the youngest-ever debutant in the club’s history. Instead, Gabriel watched from home, and Lacey stepped into the spotlight.

For those who have tracked Lacey’s development through United’s academy, the quality of the goal was no surprise. Under-21 manager Adam Lawrence had spoken glowingly of the Liverpool-born winger earlier in the season. “Shea can do things with the ball that, without getting too carried away… are genuinely first-team level,” Lawrence told the Manchester Evening News — a notably candid assessment from a coaching staff that typically guards its language around young players carefully.

Lacey had already made his senior debut against Aston Villa the previous season and added cameos against Brighton and Burnley before a final-day appearance. This campaign was widely expected to be his breakout year, and Tuesday night offered the clearest evidence yet of why that belief exists within the club.

The contrast with Gabriel’s situation was stark. Lacey is four years older than his academy peer, has navigated a series of minor muscle injuries to reach this point, and has earned his chance through patience and consistency rather than viral fame. Where Gabriel arrived at Old Trafford trailing a wave of social media hype — including a widely shared ‘Kid Messi’ YouTube profile — Lacey’s reputation has been built more quietly, inside the training ground rather than on the internet.

A few hours before kick-off, Lacey posted a photo of himself arriving at Old Trafford on X, an uncharacteristic move for someone who rarely uses the platform. The timing left little doubt he knew what was coming.

The defeat will sting, particularly given United’s failure to hold a two-goal advantage. But for Lacey personally, the night offered a genuine statement of intent — and a reminder that the club’s academy continues to produce players capable of performing on the biggest stage.