Xabi Alonso, Chelsea’s new manager, replaced Robert Sanchez with Emiliano Martinez in the match against Brighton. The decision came just hours after Martinez completed his £7.5 million transfer from Wolves. Martinez, a World Cup winner with Argentina, was given the starting role in goal, marking his debut for the club. The substitution occurred in the opening minutes of the match, as Sanchez was dropped. Martinez’s arrival was confirmed shortly before the game, highlighting the swift nature of the transfer. The move was seen as a strategic decision to strengthen Chelsea’s defense, especially after Sanchez’s inconsistent performances. Martinez’s debut came under pressure, as Chelsea faced Brighton in a tightly contested match. The result of the game will be closely watched to assess the impact of the new signing.