There's a whole lot of red in South Bend this weekend.
The city is swamped with Oklahoma Sooners fans.
Hotel managers say fans started showing up last night and spent Friday in the city or on campus.
Hotels are booked solid pretty much through the football season.
However the pricier weekends are this one against Oklahoma and Navy and USC.
Most of the fans staying at the hotels are from Notre Dame with the minority of them coming in from Oklahoma.
It's typical for a hotel to require a two night minimum on game weekends.
Some of the Oklahoma fans are staying three nights.