Complex sentence: Unfortunately, the perfect game had a bad timing for the Phillies and for Philadelphia sports fans, as it came on the same night the Philadelphia Flyers were at the United Center playing the Chicago Blackhawks in Game 1 of the Stanley Cup Finals.
Split into simpler sentences: Unfortunately, the perfect game had a bad timing for the Phillies and for Philadelphia sports fans. It came on the same night their Flyers were in Chicago playing the Blackhawks in Game 1 of the Stanley Cup Finals.