The four BCS bowls are Orange, Sugar, Fiesta and Rose (national championship). Eleven teams have a shot for the eight places.
Six BCS places go to conference champions. USC (Pac 10), Penn State (Big 10) and West Virginia (Big East) are in. Texas (Big 12), Virginia Tech (ACC) and LSU (SEC) play Saturday. If they win, they’re in. If they lose, the team they lose to goes to the BCS (Colorado, Florida State and Georgia respectively).
Two BCS places are left for wildcards. If Texas wins the Big 12 the wildcards will be Notre Dame and Ohio State. If Texas loses to Colorado, Texas will still most likely get a BCS wildcard, bumping Ohio State.
No other teams are in contention for BCS games.