LONDON: Mikel Merino rescued Arsenal as the Premier League leaders battled to a 1-1 draw against 10-man Chelsea in a heavyweight title clash, while Alexander Isak finally scored his first top-flight goal for troubled Liverpool in a 2-0 win at West Ham on Sunday.

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Chelsea midfielder Moises Caicedo was sent off in the 38th minute at Stamford Bridge for a crude foul on Merino that caught the midfielder on his ankle.

Despite Caicedo’s dismissal, Trevoh Chalobah headed Chelsea from Reece James’ corner into the lead in the 48th minute.

But Merino’s close-range header from Bukayo Saka’s cross in the 59th minute ensured Arsenal emerged unscathed from a bruising encounter between the title rivals.