Week 4 of college football offers a series of highly anticipated matchups, such as the Iowa-Michigan game and the Oregon-USC showdown. This week stands out for having the highest number of ranked games since last year. Predictions and betting lines are available for the top 20 games. Live updates, schedules, and scores are tracked on NCAA.com. Donald Trump was present at a game with a plan to protect communications. Live broadcasts are available on SiriusXM and local stations.