The tournament was shown live on Sky Sports in the UK and Ireland.
Gary Anderson won his second Premier League Darts title by beating van Gerwen 11–7 in the final.
For the first time in the Premier League's history, 6-time winner Phil Taylor did not qualify for the play-offs.
At the end of phase 2 the top four players contest the two semi-finals and the final in the play-off week.
James Wade returned this year following his absence from the 2014 Premier League, along with two debutants, Kim Huybrechts, the first Belgian to compete in the league, and Stephen Bunting, the 2014 BDO world champion who had a successful first year with the PDC.
Play-offs – 21 May The O2 Arena, London After the first nine weeks (phase 1), the bottom two in the table are eliminated.