Among the top five teams, fourth-placed Arsenal have the worst home record and disgruntled supporters have voiced their frustrations over the failure.
Barcelona leads Arsenal 2-0 heading into the second leg in the Champions League on March 16.
Arsenal has managed only one win in their last seven games to fall eight points behind Leicester City in the Premier League.
Arsenal knocked out of FA Cup after suffering a shock defeat to Watford; Manchester United forced into a replay.
Aaron Ramsey will miss Sunday’s Cup clash against Watford and is also likely to sit out against Everton, Watford and West Ham United.
Arsenal will continue their bid for a first FA Cup hat-trick since Blackburn Rovers in the 1880s when they host Watford in the FA Cup.
France striker Theo Giroud had not scored in his 11 previous games but made the most of a terrible back pass after 40 minutes.
Arsenal manager Arsene Wenger was adamant his team had the character to bounce back in the next two games.
Arsenal, who are third in the table, host the table-topping Leicester City on Sunday seeking to reduce the gap between the sides.
Mohamed Elneny can be pivotal in Arsenal’s hunt to secure a first league championship in twelve years.
Arsenal top the standings on 42 points from 20 games, two points ahead of Leicester City.
Arsenal are currently second in the points table, only two points behind leaders Leicester City.
Arsenal travel to take on 12th-placed Southampton in the league on Saturday.
Arsenal demolished Manchester United with some brilliant passing football.
Olympiakos defeated Arsenal on Tuesday and also ended a run of six successive away defeats in European competition.