Arsenal manager Mikel Arteta is known for using unconventional methods to communicate his ideas to his players.
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One well-known example came in the dressing room, when Arteta showed the squad a light bulb while explaining the importance of teamwork on the pitch. His demonstration was intended to show that a bulb cannot work without an electrical power supply.
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Arsenal were crowned champions of England last season, winning the title for the first time since 2004.