According to Forbes, the 49ers - 0-2 this season, 2-16 in the last two seasons and 7-27 in the last three - are the fifth-most valuable National Football League franchise at $3.06 billion, a one-year increase of almost 13 percent.
According to Forbes, the five most valuable franchises in the world are the Cowboys ($4.8 billion), the New England Patriots ($3.7 billion), the New York Yankees ($3.7 billion) along with soccer clubs Manchester United ($3.69 billion) and FC Barcelona ($3.64 billion).
The Miami Dolphins ranked #12 with a value of $2.575 billion and the Tampa Bay Buccaneers were ranked #28 at $1.975 billion, according to Forbes.
Jerry Jones paid $140 million for the Cowboys and Cowboys Stadium in 1989, which means the team is worth roughly 17 times more than what he paid for it, factoring for inflation.
All but five of the NFL's 32 teams are worth at least $2bn, while the Buffalo Bills are last on that list, valued at $1.6bn. Much of that can be attributed to rights fees and new stadiums or stadium renovations.More news: Knife-wielding United States student shot dead
The league is set to earn about $14 billion in revenue this season, up more than $900 million compared to 2016.
The average team is now worth $2.52 billion, according to Forbes.
The Giants returned to the No. 3 spot with a $3.3 billion value (up 9 percent from past year with $477 million in revenue).
The Atlanta Falcons had the highest increase in value, up 16 per cent to more than US$2.47 billion The team just moved into a US$1.5 billion stadium.