It seems that Arsene Wenger will play a slightly weakened side with squad players coming into the team. They've lost all three matches, and they've only scored once in the process.
"Lacazette has already proved that he can makes the difference", he told IBTimes.
Thoughts, Gooners? Has the spending gone too far or do we just need to accept it?
In the end, only Alexandre Lacazette - who is now the club's record signing - and Sead Kolasinac (free) arrived at the Emirates, despite the fact the Gunners missed out on a Champions League place, but Bellerin thinks there's more to the game than just buying the big names.
'Each club have its own resources and its way of working. "He didn't start [against Bournemouth] after returning from global duty but when he came on he has proved that he is 100% and is going to be in every game". "He has shown that he is a very risky player and he makes those around him better", he said.
Sunday's Premier League trip to Stamford Bridge could determine whether Bellerin is right to say that Arsenal can win the Premier League title.
Arsenal will rest at least seven key first-team players as Arsene Wenger prepares to follow through on his promise that the Europa League would take a backseat.
"Our focus is on Thursday's game", the Spain global told website IBTimesUK.
"[The] Europa League is a very important competition for us".
".either you take it seriously and you go to win it and you give yourself the chance to do it or you give yourself different priorities and see how it goes".