Mario Pietruzzi (16 June 1918 â 5 November 2014) was an Italian professional footballer and manager.
As a footballer, he played for all of his career with Alessandria. He became the third player to play most matches with the team.
He gained a promotion in Serie A in 1945âÂÂ46, winning a Serie B championship, and a promotion in Serie B in 1953.
As a coach, he managed Derthona and Valenzana. He managed even Alessandria for two seasons and, in the 1970s, he signed twice as a caretaker.