BREMEN (Interstat) — Substitute Serhou Guirassy scored in the 59th minute and Yan Couto added a goal in second-half stoppage time as Borussia Dortmund defeated Werder Bremen 2-0 on Saturday at Weserstadion. Guirassy opened the scoring for the visitors. Couto’s goal came in the 90th minute plus five. Dortmund improved to 1-0 in Bundesliga play and across all competitions. Bremen fell to 0-1 in both. The match was the season opener for both sides. Dortmund controlled possession for much of the contest, limiting Bremen’s chances. The home side pressed late but could not find the net. The victory gave Dortmund a winning start to the 2026-27 campaign.