article_snippet.sent: Sportsmail's Martin Keown says the Blues skipper is enjoying some of the best football of Sportsmail's Martin Keown career .
article_snippet.sent: The 34-year-old defender's timing in the tackle has been impeccable for the majority this season .
article_snippet.sent: Sportsmail's Martin Keown decision-making is excellent and Sportsmail's Martin Keown waits for the perfect moment to get involved
article_snippet.sent: Sportsmail's Martin Keown was always able to anticipate where Arsenal wanted to play the game and stop them from doing Arsenal.