Complex sentence: As they were favored to do, the Patriots won the game to finish the regular season undefeated, but it was a close and competitive game, with both teams playing their starters for all 60 minutes.
Split into simpler sentences: As they were favored to do, the Patriots won the game to finish the regular season undefeated. Still, the game was close and competitive, with both teams playing its starters for all 60 minutes.