The Carolina Panthers opened at -5.5 favorites over the Denver Broncos in the Super Bowl.
But betting on the Broncos has moved the line to -4.
The over-under points total is 44.5.
When the Manning-led Broncos played two seasons ago in the Super Bowl against the Seattle Seahawks, they were 2.5-point favorites and lost 43-8. Gamblers wagered a state-record $119.4 million and books made an unprecedented $19.7 million profit.