Week 4 of college football features a series of notable matchups, such as the Michigan-Iowa game and the Oregon-USC contest. This week stands out for having the most ranked contests since last year. Predictions and betting lines are available for the top 25 games. Live updates, schedules, and scores are tracked on NCAA.com. Donald Trump attended a game with a plan to safeguard communications. Live broadcasts are available on SiriusXM and local stations.