Complex sentence: In 1998 the Doubledays and the Oneonta Tigers were named Co-Champions of the NY Penn League after Central New York was hit with a torrential rain storm and the fields at both parks were deemed unplayable.
Split into simpler sentences: In 1998 the Doubledays were Co-Champions of the NY Penn League with the Oneonta Tigers. After Central New York was hit with a torrential rain storm, fields at both parks were deemed unplayable.