Ok this actually happens to my friend not so long ago, he is going on a boxing match and he will bet for the heavy favorite, then suddenly an unknown guy whisper to him, that the fight is going to be fixed and he supposedly heard it from the favorite to win, locker room, are you going to listen to that and bet for the underdog.
What's your take?
It's a risk and it may sometimes be worth to take the risk. If i were at your side, i would have listen to my friend and take the risk. Also you know that if you go against the majority of the bets, you get the better amount on winning such bets.
You still need to verify if the source is reliable and besides not all bettors can bet on underdogs, only brave bettors go and gamble for underdogs only veteran gamblers with an appetite for high-risk betting, if he happens to have this trait he'll go bet for the underdog whether the news is reliable or not. of course we all love to win big amount on betting in an underdog if he can verify the news and it turn out to be true then you're one lucky guy