Is a home team more or less likely to beat the spread than an away team? Do favored teams or underdogs win against the spread more often? Please include statistics/studies instead of just guessing.
Team A is favored by three points. They beat Team B by two points. Team B won against the spread (or beat the spread).
Team A is favored by three points. Team B wins. Team B won against the spread.
Team A is favored by three points. They win by five points. Team A won against the spread.