For what it's worth.

The wise-guys have the Heat favored by 4.5 or 5 points in Game One.

This is by far the lowest point spread among the 4 games of the 2nd round.

The other lines are OK,  6.5,  Chi, 8.5, and LA, 6.

The Celtic's and the Heat's record against the spread, overall, is about even.

NBA Lines.