That's because Fox has rights to all MLB games that start on Saturday before 4:10pm. I love MLB TV, but that is pretty dissatisfying. Living in FL, and working M-F, it sucks to not be able to watch Saturday afternoon games while grilling.
"The University of Illinois is also in turmoil. The university sports an Interim Chancellor, an Interim Athletic Director, and an Interim Football Coach; the game will be played at Soldier Field, making this an Illini Interim Home Game."