Milestones
- 14 March - Round One: Steve Price played in his 300th National Rugby League game.
- 14 March - Round One: Four players made their debuts for the Warriors; Denan Kemp, Joel Moon, Jacob Lillyman & Leeson Ah Mau. Ah Mau also made his first grade debut.
- 22 March - Round Two: Two players made their debuts for the Warriors; Jesse Royal & Ukuma Ta'ai. Ta'ai also made his first grade debut.
- 5 April - Round Four: Game dedicated to the memory of Sonny Fai, the Warriors lose to the South Sydney Rabbitohs 22-16.
- 5 April - Round Four: Nathan Fien played in his 100th game for the Warriors.
- 5 April - Round Four: Daniel O'Regan made his first grade debut, becoming Warrior #150.
- 3 May - Round Eight: Lewis Brown made his first grade debut.
- 17 May - Round Ten: Jerome Ropati played in his 100th National Rugby League game and 100th game for the club.
- 31 May - Round Twelve: Two players made their first grade debuts; Kevin Locke and Aaron Heremaia.
- 12 June - Round Fourteen: Stacey Jones played in his 250th game for the club.
- 19 July - Round Nineteen: Isaac John made his first grade debut.
- 26 July - Round Twenty: Patrick Ah Van played in his 50th National Rugby League game and 50th game for the club.
- 31 July - Round Twenty One: Evarn Tuimavave played in his 100th National Rugby League game and 100th game for the club. It was also Tuimavave's first game of the season.
- 15 August - Round Twenty Three: Siuatonga Likiliki made his first grade debut.
- 5 September - Round Twenty Six: Simon Mannering played in his 100th National Rugby League game and 100th game for the club.
- 5 September - Round Twenty Six: Stacey Jones played in his last game for the club, the Warriors lost to the Melbourne Storm 30-0.
Read more about this topic: 2009 New Zealand Warriors Season