Januzaj is set to be offered a new £60,000 a week deal after his match winning performance at the Stadium of Light according to reports in the Daily Mail.
The young Belgian started his first Barclays Premier League game against Sunderland this weekend and proved decisive - scoring two goals that were enough to take all three points.
David Moyes' side went 1-0 down thanks to a Graig Gardner strike in the fifth minute before Januzaj struck twice within six minutes.
The 18-year-old's contract is set to expire in eight months and speculation is growing that several clubs are interested in poaching the talented youngster.
Moyes is eager to secure a new deal for the star, who according to teammate Wayne Rooney looks more than comfortable playing first team football.
"He’s very confident," Rooney said. "A lot of the young players who come through are a little bit timid and shy, but he looks comfortable and he’s confident in his own ability, which you need to be.
"He takes the ball, he runs at players and he’s got great ability. I think it’s great the manager has thrown him into the side, especially with what has happened in the last few games."
Januzaj, who was signed from Anderlecht in March 2011 as a 16-year-old, made his competitive debut for Manchester United against Wigan Athletic in the 2013 FA Community Shield - and made his debut in Premier League football a month later against Crystal Palace.
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