Chicago Pizza and Oven Grinder Company Chicago Pizza and Oven Grinder Company Chicago Pizza and Oven Grinder Company is a restaurant located in Chicago, Illinois. The restaurant was founded in 1972, and specializes in a signature dish called the "pizza pot pie." It enjoys local popularity and has appeared in many publications and television shows. There is no knowledge of when the building was first built. It has been speculated that the building had some ties to gentility, but those ties were severed in 1929. The parking garage across the street became known as the location of the "St. Valentine's Day Massacre", the infamous murder of
Saint Patrick's Day in the United States then it has become a tradition of many sports teams to also wear special uniforms to celebrate the holiday. The Los Angeles Dodgers also have a history with the Irish-American community. With the O'Malley family owning the team and more recently Frank McCourt, the Dodgers have had team celebrations or worn green jerseys on Saint Patrick's Day. The Detroit Tigers and Philadelphia Phillies also wear Saint Patrick's Day caps and jerseys. Other teams celebrate by wearing kelly green hats. These teams include: the Chicago Cubs, the Chicago White Sox, the New York Mets, the San Diego Padres, the Atlanta Braves,