Mendilibar has been in charge of Olympiakos since February 2024, when the team won the Conference League in the 2023-2024 season. The following season, Olympiakos secured the league title and cup. However, the team's elimination from the Champions League and loss in the supercup last season have put Mendilibar's position under pressure.
Olympiakos will participate in the Europa League this season, after being eliminated in the third qualifying round of the Champions League. The team will begin the Greek league next week. Mendilibar is set to meet owner Vangelis Marinakis on Friday, where his position will be discussed. If Olympiakos decides to sack Mendilibar, Marcelino and Eder Sarabia are potential candidates to replace him. Both Spaniards were out of contract at Villarreal and Elche respectively over the summer, but are currently without a club.