The Associated Press
After heavy betting on the Baltimore Ravens, sports betting professionals and last-minute casual bettors in Las Vegas and around the world are heavily swinging toward San Francisco.
The 49ers were favored by 5 points when betting action started two weeks ago, meaning San Francisco bettors need them to win by at least two field goals to collect. But the spread encouraged lots of bettors to take Baltimore, pushing the line down to 3
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