Answer:

bcs

Answer	Crossword Clue
BCS	NCAA football poll aggregator
BCS	NCAA football tourney
BCS	NCAA year-end games system

BCS	Recently retired NCAA football ranking system, and, as a plural, a hint to the answers to starred clues
BCS	Chemist's deg.
BCS	Degree in chemistry.
BCS	Science degrees.
BCS	Science degree.
BCS	Degrees.
BCS	College degree
BCS	Before A.D.'s

BCS	A sci. degree
BCS	Group of football games played at the beginning of Jan.
BCS	N.C.A.A. football ranking system
BCS	... National Championship Game
BCS	System for determining the top NCAA football team
BCS	Former NCAA football ranking system
BCS	Some Johnny Hart panels