1
One of us is missing the point here :- )
The home field in the NFL has got to be worth a lot more than 3. If the Niners are -1 at home they'd be like +4 neutral field.
Oobie was saying, or we thought he was saying, that in reality the Seahawks will probably win in San Francisco, but that the oddsmakers give 3 to split the bettors who like home teams.