The game will be a rematch of the 2008 European Championship final, won by Spain.
Last year's final, won by acrobatic troupe Spellbound, averaged 12.3 million viewers, according to overnight figures.
"I made the Wimbledon final, won the Olympics, won the US Open.
A move to Liverpool led him to the Champions League final (won by Milan) and a stint with Zaragoza.
It is a rematch of last summer's World Cup final, won by the Americans, 1-0, on penalty kicks.
Friday's final, won by Lisa Faulkner, was watched by 5.789 million viewers and attracted a 25.1% audience share from 9pm.
More than $60 million was handled for the Wimbledon's men's final, won by Roger Federer over Rafael Nadal.
Last year's BGT final, won by Pudsey the dancing dog, averaged 11.9 million and a 48.4% share.
That year's final, won by Matt Cardle, was watched by a peak audience of nearly 20 million viewers.
TP Mazembe, who were beaten by Internazionale in Saturday's Club World Cup final, won the best club side award.
The clash is a rerun of the 2009 final, won by Pakistan, and matches the two most effective and varied groups of bowlers in the competition.
