Week 4 of college football features a series of notable matchups, including the Michigan-Iowa game and the Oregon-USC contest. This week is noted for having the most ranked contests since last year. Predictions and betting lines are available for the top 20 matchups. 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.