Complex sentence: The Niners hosted the Colts and their new quarterback Peyton Manning; they immediately served notice for the future as the Colts raced to a 21--0 lead behind two Manning scores to Marvin Harrison and a 65-yard score from future Ram Marshall Faulk.
Split into simpler sentences: The Niners hosted the Colts and their new quarterback Peyton Manning. The Colts immediately served notice for the future as they raced to a 21--0 lead behind two Manning scores to Marvin Harrison and a 65-yard score from future Ram Marshall Faulk.