ESPN NFL insider Adam Schefter is among the early investors to cash in on Underdog’s sale to U.K.-based IG Group.

July 30 : Britain's IG Group said on Thursday it has agreed to acquire U.S. daily fantasy sports and prediction markets operator Underdog for up to $1.3 billion, deepening its…

July 30 : Britain's IG Group said on Thursday it has agreed to acquire U.S. daily fantasy sports and prediction markets operator Underdog for up to $1.3 billion, in a deal that…