Complex sentence: The game was played in front of more than 6,000 spectators at Marshall Field in Chicago, where the field had to be "carefully scraped and sawdust scattered over the thin layer of ice" before the game began.
Split into simpler sentences: The game was played in front of more than 6,000 spectators at Marshall Field in Chicago. Due to the inclement weather, the field had to be "carefully scraped and sawdust scattered over the thin layer of ice" before the game began.