NCAA 10-26 Save
SECTION 26. If a relief pitcher meets ALL of the following conditions, the official scorer should credit that pitcher with a save:
a. He is the finishing pitcher in a game won by his team;
b. He is not credited with the win; and
c. He meets one of the following conditions:
1) He enters the game with a lead of not more than three runs and pitches at least one inning;
2) He enters the game with the potential tying run on base, at bat or on deck; or
3) He pitches effectively for at least three innings.
Note: Not more than one save may be credited in each game.