Manager Steven Gerrard is concerned over Rangers' lack of bite after a goalless draw with FK Shkupi in Macedonia on Tuesday.
The Scottish Premier League side progressed to the Europa League second qualifying round 2-0 on aggregate.
But Gerrard told RangersTV: "There are things I'm pleased at, but I am concerned about the lack of quality in the final third." Rangers will now face either Petrocub of Moldova or Croatian side Osijek.
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