Complex sentence: In 1903, the Craig led Covies posted an impressive 9-1 record, with their only loss coming to then national-power Washington & Jefferson, which ended in one of the most unusual plays in college football history.
Split into simpler sentences: In 1903, the Craig-led Covies posted an impressive 9-1 record, with their only loss coming to then national-power Washington & Jefferson. This game witnessed one of the most unusual plays in college football history.