Europa League : Arsenal beat Napoli, Chelsea win
Arsenal and Chelsea closed in on the Europa League last four on Thursday after the Gunners saw off highly-fancied Napoli 2-0 at the Emirates, while Marco Alonso's late header earned Maurizio Sarri's side a hard-fought win at Slavia Prague.Unai Emery's Arsenal hold a healthy advantage going into next week's second leg thanks to a fine early strike from Juventus-bound Aaron Ramsey and an unfortunate Kalidou Koulibaly own goal midway through the first half, and can rue missed chances that would have put the tie completely beyond the Italians' reach. "To keep a clean sheet and score a couple of goals is a lovely way to start the first leg. We're delighted with that," said Ramsey, who should have added the third when he blazed over with nine minutes left...