The former Sweden international scored a wonderful goal in the 84th minute at the StubHub Center, when he chested Joe Corona's lifted ball in the box, volleyed back to himself and executed a perfect overhead kick to give the Galaxy their only score of the game.
The goal was his 11th of the season but could not help LA complete a comeback on the night after the Revolution, in Bruce Arena's first match in charge, struck twice within the first hour of the match.
The loss was LA's third straight at home where they have been outscored 5-1 in that span, and Ibrahimovic suggested the poor result meant his remarkable individual effort wasn't worth remembering.
"This one is to forget as soon as possible, even if you score the goal of the year. This one is to forget," he said.
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Ibrahimovic was instead more focused on his team's performance on a night in which he said the Galaxy had every opportunity to take home the three points.
"It's very disappointing and very irritating also. It was not a difficult game. I think everybody was underperforming," he said. "When you do that, it's difficult to get the outcome like we want.
"We had a couple of chances and we didn't utilize the chances we had. They got chances and they got goals, not difficult goals to score but they scored. Every game is a new game and today is a completely different game. We were playing at home and I felt that we were dominating in the beginning, but we let them play and come into the game.
"They score a goal and it's difficult because you have to chase all the time. We should have won, no excuses. We should have won today."
Zlatan's heroics not enough as Revs get 1st win under Arena
Bruce Arena notched his first victory as New England head coach, fending off his former LA Galaxy side on the road.