Complex sentence: As Rangers had already qualified for the UEFA Champions League qualifiers through their Scottish Premier League position, Queens entered the 2008--09 UEFA Cup competition, being drawn in a qualification round against Danish club FC Nordsjælland.
Split into simpler sentences: As Rangers had already qualified for the 2008--09 UEFA Champions League through their league position, Queens entered the 2008--09 UEFA Cup competition. They were drawn in a qualification round against Danish club FC Nordsjælland.