Preview: Man City v Arsenal the big game on a weekend where many have things to prove

LONDON, Sept. 20 (Xinhua) -- The Premier League has a host of matches this weekend that will help show the true situation of several teams and which will either allow some coaches to breathe more easily, or put them under increased pressure.

One game stands out as reigning champions and league leaders, Manchester City defend their 100 percent start to the season, at home to last season's runners-up, Arsenal, who