Pubs can access the matches using foreign satellite systems which are often considerably cheaper than the British systems.
The Premier League has now appointed Glasgow-based firm ID Inquiries and will step up the number of pub visits and investigations to a higher level than any previous season.
A Premier League spokesman said: "We look forward to working with ID Inquiries as we significantly up our enforcement activity in this area with more planned investigations than ever before.
"This newly enhanced investigations programme follows recent successes in the High Court, including injunctions against the use of foreign satellite systems, and unauthorised streaming websites, being used in commercial premises to broadcast Premier League football.
"We remind all publicans that Sky Sports and BT Sport are the only authorised broadcasters of live Premier League matches in the UK and that legal action will be taken against those who use unauthorised satellite systems to show Premier League matches in commercial premises."
Pacos De Ferreira 1 Toon 1
PACOS DE FERREIRA: Filipe, Dias, Ruben, Leao, Caetano, Poulson, Oliveira, Lopes, Tony, Jose, Anunciacao.
NEWCASTLE UNITED: Elliot; Debuchy (Dummett, 84), S Taylor (Williamson, 79), Coloccini, Yanga-Mbiwa; Cabaye (Gutierrez, 46), Tiote; Sissoko (Vuckic, 79), Ben Arfa (Gouffran, 46, Campbell, 87), Sammy Ameobi (Santon, 46); Shola Ameobi (Marveaux, 73). Subs not used: Alnwick.
Pre-season friendlies can be like watching paint dry, as both teams draw up a truce - I won't tackle you if you don't tackle me. But this was a right feisty affair that threatened to blow up.
Fabricio Coloccini saw red during a stormy pre-season friendly in Portugal.
United created a chance after two minutes when Yohan Cabaye’s free-kick wasn’t cleared and it eventually fell for Shola Ameobi who fired the ball high over the bar.
The Magpies then had to absorb a spell of pressure from the home side as the Yellow Boys penned United in their own half.
But Manuel Jose’s dangerous left wing cross that bounced just wide of the far post was the closer they came to troubling Rob Elliot in the first 10 minutes.
But the home side grabbed the lead five minutes later.
A left wing cross from Jaime Poulson wasn’t dealt with by United and Caetano made mistake as he fired the ball home inside the box at the back post.
United enjoyed a glimpse of goal on 20 minutes when Ben Arfa motored down the left hand channel but as he neared the goal his powerful effort sailed over the bar.
In a lively contest Poulson took out Cabaye before the half hour mark but Steven Taylor levelled up matters on that score with a crunching tackle on Caetano.
Then Debuchy clashed with Helder with the French full-back having to be hauled away from the Pacos man.
The flare-up infuriated the United bench and home fans stormed towards the dugout to confront both John Carver and Andy Woodman before one fan was dragged away by his missus!
United almost netted on 32 minutes when Sammy Ameobi’s cross found Shola Ameobi at the back post but his header bounced wide.
Yet the unsavoury feel to the “friendly” continued when Anunciacao was booked for taking out Sammy Ameobi 11 minutes before the break.
Moments later United won a corner and Yohan Cabaye’s swirling corner was headed straight at keeper Antonio Filipe.
Caetano and Coloccini squared up on the edge of the box and with both raising their hands, ref Jorge Sousa issued red cards to make the game a 10-a-side contest on 37 minutes.
Coloccini’s hair was pulled by Caetano before he grabbed the player by the throat.
United made three changes at half-time with Jonas, Davide Santon and Yoan Gouffran replacing Cabaye, Ben Arfa and Sammy Ameobi.
Newcastle looked a more settled team in the second half and slowly applied the pressure with Shola Ameobi levelling the game up just after the hour mark.
His 61st minute strike saw the big striker pick up a pass from Gouffran before lashing the ball home with his left foot.
United continued to build up some pressure down the left and Santon’s left wing cross only just evaded Gouffran before Debuchy smashed the ball over the with 18 minutes to go.
There were just eight minutes left on the clock when Debuchy’s teasing cross found sub Harid Vuckic but his bullet header cracked the post.
Newcastle finished the stronger of the two sides on the night and Pardew will be happy with the level of performance.
United had to rely on a last gasp – on the line clearance from Vuckic – in the final moments of the game after Fernando Neto looked to have won it for the hosts.
WE TELL IT AS IT IS - NO BULLSHIT!
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PRE-SEASON FRIENDLIES:
Blackpool (A) July 29
St Mirren (A) July 31
Rangers (A) August 6
Braga (H) August 10
PACOS DE FERREIRA 1 NEWCASTLE 1 (Shola Ameobi)
Elliot; Debuchy (Dummett, 84), S Taylor (Williamson, 79), Coloccini, Yanga-Mbiwa; Cabaye (Gutierrez, 46), Tiote; Sissoko (Vuckic, 79), Ben Arfa (Gouffran, 46, Campbell, 87), Sammy Ameobi (Santon, 46); Shola Ameobi (Marveaux, 73). Subs not used: Alnwick.
RIO AVE 3 NEWCASTLE 1 (Shola Ameobi)
Alnwick (Elliot, 46); Santon (Williamson, 70), S Taylor, Yanga-Mbiwa, Dummett; Cabaye (Tiote, 46), Anita (Campbell, 76); Marveaux (Obertan, 46), Vuckic (Sissoko, 46), Gutierrez (Sammy Ameobi, 46); Gouffran (Shola Ameobi, 62).
MOTHERWELL 2 NEWCASTLE 4 (Vuckic, Gouffran, Sissoko, Marveaux)
Elliot; Tavernier, Williamson (S Taylor, 46), Yanga-Mbiwa (Streete, 82), Dummett; Sissoko (Abeid, 68), Anita (Amalfitano, 82); Obertan (Ferguson, 74), Vuckic (Marveaux, 46), Sammy Ameobi (Richardson, 82), Gouffran (Campbell, 58).
Sub not used: Alnwick.