Brighton’s deadline-day signing, Marc Cucurella, was handed a full debut and was introduced to life in England with a flailing arm from fellow Spaniard Sergi Canos, which earned an early yellow card.
Brentford’s fans, who had been treated to a memorable opening-day home win over Arsenal, were almost on their feet celebrating inside 10 minutes when Ivan Toney tried his luck from 40 meters but his chipped effort sailed just over the crossbar — much to the relief of goalkeeper Robert Sanchez.
With 20 minutes left, both managers rolled the dice with changes.
Brighton substitute Alexis Mac Allister saw an effort deflect wide in what appeared the final opportunity until he found Trossard outside the area, and the Belgian worked some space away from Pontus Jansson to score.
It sparked wild celebrations in the away end, where club chairman Tony Bloom was present.
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