Rooney, 24, became the first United player to score four in a gamesince Ole Gunnar Solskjaer against Everton in December 1999 and hishaul yesterday put United two points clear of Chelsea.
I'm the man: Wayne Rooney celebrates his haul at Old Trafford yesterday
MANCHESTER UNITED FC: All the latest news from across the webManchester Utd 4 Hull City 0: Four-some Rooney sends United back to the top of the table Calm down, Carlos! Mancini tells Tevez to end war of words with NevilleSir Alex Ferguson insists Manchester City striker Carlos Tevez should have been sent offNow with 20 goals for the season, he looks certain to surpass his previous best of 23.
His manager Sir Alex Ferguson said: 'I'm sure he'll beat that! He's in great goal-scoring form and we saw great finishing.
'He's developing as a goalscorer, and I don't think [Cristiano] Ronaldo's departure comes into it. He's always been the main man.'
Thunderbolt: Wayne Rooney opens the scoring at Old Trafford
Rooney, who is expected to sign a new fouryear contract soon but who is attracting growing interest from Real Madrid, said: 'It was a great feeling. To score one in the Premier League is good, so four is great. It's nice to be top of the league. The teams below us have games in hand but all we could do was win our game.
'When the game was 1-0, anything could happen, so it was important to get the second. They had created a couple of chances and that gave us the wake-up call we needed.'
Hull manager Phil Brown said: 'You would have to say he's one of the best in the world.'