United will face Bayer Leverkusen in the last 16 of the Champions League . Italians AC Milan drawn against Russian side 2006 runners-up Arsenal . Nine -time winners Real Madrid paired with Russian team APOEL Nicosia . Manchester sides Bayer Leverkusen and City given tough Italians AC Milan tasks .
Barcelona will face Bayer Leverkusen in the last 16 of the Champions League . Italians AC Milan drawn against English side 2006 runners-up Arsenal . Nine-time winners Real Madrid paired with Russian team CSKA Moscow . Manchester sides United and City given tough Europa League tasks .