"To take the underdog" means supporting or favoring the person or team that is expected to lose or is considered weaker in a competition or situation. Full definition
While this percentage would not be high enough to turn a profit betting against the spread in football or basketball, it can be profitable taking underdogs in hockey. (sportsinsights.com)
It's incredibly rare to find the majority of bettors taking the underdog, and this level of one - sided public betting is unprecedented. (sportsinsights.com)
This falls in line with past research which found bettors are far more likely to take the underdog when two ranked teams play each other. (sportsinsights.com)