Two first half goals from forwards Julian Alvarez and Braut Erling Haaland ensured City go top of the Premier League on Saturday evening.
City had taken an early lead with a one-touch strike from Julian Alvarez, after a breathtaking run from Jeremy Doku, who frightened the life out of Brighton every time he got on the ball.
City defender, Manuel Akanji got the marching order in the 98th minute of the encounter to reduce the home side to 10,
However, 10 man City held to their slim win against Brighton and Hobe Albion and returned to the top after few weeks away from it.
Elsewhere, Newcastle thrashed Cyrstal Palace 4-0 at Saint James Park.
The Magpies led by three at halftime after Murphy was joined by Anthony Gordon and Sean Longstaff on the scoresheet, with Murphy then cueing up Callum Wilson late for the game’s final goal.
Newcastle have four wins and a draw in its their last four outings and sit fifth with 16 points. The Magpies will finish the weekend no worse than sixth depending on the final score of Sunday’s Aston Villa vs West Ham affair.
However, at Kenilworth Road Nigerian born, Elijah Adebayo’s excellent late goal helped Luton come from two goals down to claim a confidence-boosting draw against Nottingham Forest.
The Hatters were trailing 2-0 until the 83rd minute when Forest failed to deal with a routine free-kick and Chiedozie Ogbene fired home the loose ball.
Earlier, Chris Wood had put Forest in front two minutes into the second half and added a second after 76 minutes to seemingly set them on course for victory before Luton’s stunning late fightback.