Boylesports.com are to be the official bookmakers of the 2009 Whyte & Mackay Premier League Darts.
The deal includes shirt branding on all eight players in Premier League Darts, which begins at the Echo Arena Liverpool on February 5.
"We've seen interest in our darts product increase dramatically over the last year, due in no small part to the success of the Whyte & Mackay Premier League Darts and Ladbrokes.com World Darts Championship," said Mark Nunan, Head of Marketing for Boylesports.com.
"We're looking forward to offering some great betting value and choice to the growing number of darts fans in the coming year."
PDC Director Eddie Hearn added: "We are delighted to welcome Boylesports.com to the ever expanding world of darts.
"With audiences both on and off air hitting extraordinary numbers, we look forward to a long and successful relationship."
Phil Taylor is chasing his fifth consecutive Premier League title and is 4/9 with Boylesports.com to achieve that feat.
World Championship runner-up Raymond van Barneveld is 9/2, 2008 Premier League Darts finalist James Wade is 8/1, with newcomer Mervyn King 18/1 to claim victory at the Wembley Arena on May 25.
Debutant Jelle Klaasen and Terry Jenkins are 25/1, with John Part 33/1 and Wayne Mardle 40/1 to take the title.
Click here to visit Boylesports.com
The 2009 Whyte & Mackay Premier League Darts will begin on Thursday February 5 at the Echo Arena Liverpool.
Tickets for all venues are still available - click here for further information