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The answer to Lautaro Martínez's middle name is Javier. Lautaro Javier Martínez, an Argentine professional footballer, plays as a forward for Serie A club Inter Milan and the Argentina national team. Born on August 22, 1997, in Bahía Blanca, Argentina, Martínez showcases his exceptional skills on the field, demonstrating his passion for the sport and contributing to the success of his teams.