Unai Emery set incredible statistics by successfully substituting players at second half

Not once since arriving at Arsenal, Unai Emery changed a game from the touchline with a string of imaginative substitutions. Under Arsene Wenger frustration would grow at the Emirates as he persisted with plan A and tended to make changes in personnel rather than tactics. Emery has instead taken a proactive approach to his job. He notices problems in-game and acts on them. Arsenal conceded three headed goals in a league match for the first time in at least 30 years (since the start of 1988-89 season). Emery’s first 17 league games as Arsenal manager have equalled the club’s longest run of league matches without leading at HT since 1893.

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