Complex sentence: After losing to CSKA Moscow in the third qualifying round of the Champions League, Rangers entered the UEFA Cup and managed to scrape through to the newly formed group stages with a penalty shoot-out win over Maritimo.
Split into simpler sentences: After losing to CSKA Moscow in the third qualifying round of the Champions League, Rangers entered the UEFA Cup. Rangers managed to qualify for the newly formed group stages with a penalty shoot-out win over Maritimo.