Fifteen rounds into the 2015/16 Premier League season, and there have been no shortage of amazing moments throughout the league at this point. Leicester City retains top spot, as Arsenal now closes in on the Foxes. A major run of form comes to an end as others, both likely and unlikely, continue. The trivia train continues; here are Five Interesting Facts from Premier League Matchday 15.

Cherries Give Chelsea The Pits

AFC Bournemouth handed defending Premier League champion Chelsea even more misery on their campaign with a 1-0 win at Stamford Bridge. The Cherries are the first newly promoted visiting side to defeat the host defending champion since October 20, 2001, when Bolton Wanderers upended Manchester United. Watford Matches Club Best

Watford FC have matched their club best sixth win in a Premier League season on Matchday 15. The tenth-placed Hornets earned a second consecutive victory with a 2-0 win over Norwich City at Vicarage Road. The six wins matches the 1999-2000 campaign which ended with a last-place relegation.

Arsenal Continue Unbeaten Run Against Allardyce

Arsène Wenger and Arsenal leapfrogged into second place with a 3-1 win at Emirates Stadium against Sunderland. However, for Black Cats manager Sam Allardyce, this is his eight consecutive defeat against Arsenal in Premier League play. Allardyce hasn’t beaten the Gunners since May 2010, when he was then in charge of Blackburn Rovers. Hat-trick Hero Mahrez sends Leicester Top

Algerian midfielder extraordinaire Riyad Mahrez reached ten goals in the Premier League campaign in emphatic fashion. The winger recorded a hat-trick in Leicester City’s 3-0 victory at Swansea City. He’s the third-ever Fox to accomplish the feat in Premier League history, and the first since 2000.

United Still Unbeaten Against West Ham

Despite the 0-0 draw against West Ham United, Manchester United extended their unbeaten streak to fourteen games against the Hammers in Premier League play (Won 11, Drew 3). The Red Devils recorded their ninth clean sheet on the season (Won 5, Drew 4) on Matchday 15; last season’s club had eleven.