Mark Chapman presents highlights of today's Premier League fixtures, including Arsenal's crucial match against Newcastle as the Gunners' bid for the title continues.Arsenal's visit to St James' Park is arguably their hardest remaining fixture of the season. The Geordies frustrated the Gunners back in January as the reverse fixtured ended 0-0, and Mikel Arteta knows how tough a task his side have if they are to claim three crucial points towards their title challenge.The day's other game sees West Ham entertain Champions League-chasing Manchester United at the London Stadium.