New Delhi, Jan. 2 -- Erling Haaland and Manchester City were frustrated in a 0-0 draw at Sunderland on Thursday, leaving Arsenal with a four-point lead at the halfway stage of the Premier League season.

Liverpool couldn't manage a goal against a promoted team, either, laboring to a 0-0 draw against Leeds at Anfield.

The stalemates highlighted the strength in depth in England's lucrative top flight.

They also maybe showed why Arsenal has been able to forge clear after 19 of 38 games in its bid for a first league title since 2004, with City and Liverpool - the dominant forces in English soccer over the last decade - having lost their old fluency going forward.

There were draws all round on a low-scoring night, with Tottenham held 0-0 at...