BT Sport will show live football from six European leagues this season, after securing TV rights to the Portuguese Primeira Liga.
The deal includes exclusively live home and away matches played by the league’s ‘Big Three’ teams - the current champions Benfica, Porto FC and Sporting Lisbon.
Boavista are also back in the top-flight for the first time in years, having been relegated in 2008 for the club's role in a corruption scandal.
BT Sport will broadcast up to four live matches per week from the Portuguese Primeira Liga, adding to its coverage of English, Scottish, Italian, French and German football.
Grant Best, Senior Channel Executive Producer at BT Sport, said the broadcaster is "delighted" to have secured the rights for another of the best European leagues.
"Benfica had a hugely successful season last year, dominating domestic competitions, as well as reaching the final of the Europa League," he noted.
"But there are three powerhouses of Portuguese football and Sporting Lisbon and Porto will be looking to catch up this season."
Mr Best explained that BT Sport viewers will be able to enjoy "the very best matches", including the great 'O Classico' rivalry between Benfica and Porto, and watch some of the stars of the FIFA World Cup.
Columbian striker Jackson Martinez was top scorer for Porto last season, while Portugal goalkeeper Rui Patricio is the Sporting Lisbon captain.
In addition to its European and world football coverage this season, BT Sport will show 38 live games from the Barclays Premier League.
And from the 2015-16 season, the pay-TV service will become the home of European club football in the UK. UEFA Champions League and UEFA Europa League matches will air exclusively live on BT Sport.