The San Francisco 49ers were anywhere from a field goal to 3.5 point underdog to the Tampa Bay Buccaneers entering the weekend. That has changed with some sharp money coming in on San Francisco over the last 24 hours. The line is now as low as 1.5 points, according to sportsbooks monitored by OddsShark.
A sharp bettor is someone who is viewed as a smarter bettor compared to your average public bettor. They analyze news and trends and a smaller sharp bet can sometimes move a line more than a larger public bet.