David Bentley scored a hat-trick for Blackburn against Man Utd on Weds 1st Feb 2006, it was the first time a player has scored a league hatrick againtst United since Dennis Bailey did for QPR on New Years Day 1992.
As of March 2011, the last player to score a hat trick against Liverpool is Manchester United's Dimitar Berbatov.
i don't now tell me please
Newcastle United
The player is Harry Hood.
No player has hat trick against manchester united
Theo Walcott against Croatia.
Faustino Asprilla from Newcastle
Harry Hood
Robbie Fowler scored a Hat-Trick against Arsenal in 7 minutes
David Bentley, then of Blackburn Rovers, was the last man to score a hat-trick against Manchester United.
Dion Dublin
The first player to score a hat trick in the Premier League was Eric Cantona, who scored three goals in a single game for Leeds United against Tottenham Hotspur on August 25, 1992. Cantona moved to United on November 26, 1992 and became the first player to win back-to-back top division English titles with two different clubs.