 The nickname Blue Sox dates to 1944 when their parent team was unofficially called the "Philadelphia Blue Jays".The Blue Sox of the 1940s played in a ballpark in the northern part of the city called McConnell Field, which was named after the team owner and former pro player from Utica.Many of the Blue Sox players of the 1940s later became the "Whiz Kids" of the 1950 National League champion Phillies.