Pascal Groß
fired Brighton ahead with a long-range rocket in the 31st minute, Charalampos
Kostoulas added a second from distance before halftime, and Chema Andrés headed
in a third early in the second half from a corner.
Arsenal boss Mikel Arteta admitted his team fell short on basics and made too many technical errors, ending their nine-game winning streak—the first three-goal loss since Brighton inflicted one in May 2023.
The win lifted Brighton to third place, boasting 16 goals in five games, while fans noted their knack for troubling top sides.