Mikel Arteta believes Arsenal 's strength in depth makes them better equipped to go even further in this season's Champions League.

Arsenal reached the semifinals last term before bowing out to eventual winners Paris Saint-Germain .

Arteta was able to rotate his squad for Tuesday's 2-0 league phase win over Olympiacos with a stacked bench including Declan Rice , Eberechi Eze and Bukayo Saka .

And it was England winger Saka who settled some frayed nerves when he climbed off the bench to score their second goal.

"With all respect, last season we were looking [at the bench] and we had five academy players there, that probably never played professional football in the Champions League, so it makes a difference," Arteta said.

"Today we decided to change six players because

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