Brentford play Fulham on Tuesday for the chance to return to the English top flight for the first time in 73 years – and earn about £160m in the process.
The west London rivals, separated by just four miles, meet in the Championship play-off final at Wembley.
Fulham could seal an immediate return to the Premier League.
Victory in the match, often dubbed the richest game in football, would be worth £135m to Fulham and about £160m to Brentford over the next three years.
Brentford finished third in the table, one place above Fulham on goal difference, and won both league meetings during the regular campaign.
If they fail to win, the Bees will have taken part in more unsuccessful play-off campaigns in the English Football League than any other club, with this their ninth attempt.
Free-flowing Bees eye historic promotion
Brentford recorded eight straight victories either side of the coronavirus lockdown to give themselves a chance of automatic promotion, but narrowly missed out on a place in the top two following defeats in their final two matches of the season.
Head coach Thomas Frank, who was appointed in October 2018, has moulded an attacking side which finished as the top scorers in the Championship this season.
Including their play-off semi-final win over Swansea, their forward line of Said Benrahma, Bryan Mbeumo and Ollie Watkins have scored 59 goals between them – but the Bees also have the second-best defensive record in the division.
“We have big ambitions and big dreams,” Frank said. “We believe in ourselves but need to go to Wembley confident but humble.”
The Bees have enjoyed their best campaign since suffering relegation from the top flight in 1946-47 and will move into a new 17,500-capacity stadium before next season.
Opponents Fulham spent 13 consecutive seasons in the top flight before dropping back into the Championship in 2014, and Slavisa Jokanovic led the Craven Cottage outfit to promotion via the play-off final two years ago.
“They are a bigger club than us,” Frank said. “This is not a mind-game, this is a fact.
“They got relegated from the Premier League last year and have the parachute money.
“They have experience from the final two years ago and they have more experience in their squad to play a game like this than us.
“Yes, we beat them twice [this season] and that can maybe give us a bit of confidence. But the final is another story.”