The NFL's Cowboys, who unseated Spanish soccer club Real Madrid for top spot on the list in 2016, were valued at $5 billion, a 4% rise when compared to last year, Forbes said in a statement.
Real Madrid retained top spot on a list of the world's most valuable football teams for a fourth consecutive year.
Soccer teams Manchester United ($4.12 billion), Real Madrid ($4.09 billion) and Barcelona ($4.06 billion) occupied the next three spots.
Manchester United has been rated as the most valuable sporting club in the world.
English soccer club Manchester United retained their title as the world's most valuable sports team, according to an annual top 50 list released by Forbes on Monday that was dominated by National Football League (NFL) franchises.
According to a Forbes poll released on Wednesday, Spanish football club Real Madrid once again leads Forbes' most valuable teams list, which mostly includes National Football League franchises.
Trump trying to divide us, cries NBA star LeBron James even as Cowboys, Cardinals link arms amid anthem protests
Trump ramped up his fight with the National Football League on Tuesday, calling on the popular league to ban players from kneeling in protest at games while the US national anthem is played.
Ken Norton, the former heavyweight boxing champion who broke Muhammad Ali's jaw in a 1973 bout, died on Wednesday at an Arizona hospital at age 70, his manager said.
