Brighton have signed Danish midfielder Matt O'Riley on a five-year contract from Celtic.
Manager Erik ten Hag says Manchester United need to show a more ruthless side after being beaten 2-1 by Brighton in the Premier League on Saturday.
Brighton boss Fabian Hurzeler has backed Georginio Rutter to make a big impact, as he considers the possibility of giving him his debut against Manchester United.
Brighton have reportedly activated Leeds forward Georginio Rutter's release clause of £40million.
Pascal Gross is set to switch Brighton for Borussia Dortmund, as an offer of £5.9million has been accepted by the Premier League club.
New Brighton manager Fabian Hurzeler said he is eager to "achieve big things and challenge the establishment" during his first press conference.