Alex Oxlade-Chamberlain is said to be considering his future.
Bellerin believes Wenger should stay as manager.
Ozil moved to Emirates Stadium from Santiago Bernabeu in 2013.
The duo worked together in Spain, at Real Madrid.
Allegri has had success with Juventus.
Wenger reportedly turned down a huge offer to move to the Chinese Super League.
Wenger has been at Arsenal since 1996.
Ozil was subdued against Bayern Munich.
Wenger has faced criticism for Arsenal's performance.
Arsenal has not made it past this stage in six years.
Wenger's side beat Hull 2-0 on Saturday.
Wenger suggested fans should behave more like Tottenham's.
Granit Xhaka picked up his second red card of the season against Burnley.
Sanchez has yet to sign a new contract at Emirates Stadium.
Andrea Belotti has scored 17 goals in 21 matches this season.
Ozil has 18 months left on his Arsenal contract.
Ozil has been ill with flu.
Giroud's goal was the first in a comfortable victory.
Wenger has been in charge at Arsenal since 1996.
The Arsenal manager is unwilling to sell either of his two best players.
Arsene Wenger's side is second in the Premier League.
Sanchez scored three and set a goal up for Mesut Ozil.
Arsenal kept pace with Premier League leader Chelsea.
Ozil moved to the Emirates Stadium in 2013.
Aurier served a two-month suspended prison sentence earlier this year.