The Belgium forward was initially linked with a return to Premier League champions Chelsea in the summer transfer window before Manchester United managed to hijack their title rivals’ deal.
Indeed, Jose Mourinho sanctioned the £75m signing of Lukaku from Everton despite being in charge of Chelsea when the powerful striker secured a permanent move to the Toffees in 2014.
Lukaku scored 25 times in 36 games in the Premier League last season to finish behind Harry Kane in the goal-scoring charts and attract interest from both Chelsea and Manchester United.
The 25-year-old has wasted no time finding his feet at Old Trafford following a return of five goals in five Premier League games as well as scoring in a 3-0 Champions League win over Basel.
Former Chelsea legend Lampard, who played alongside Lukaku at Stamford Bridge, is still uncertain whether the Manchester United striker will score the vital goals to secure legendary status at Old Trafford.
“He is going to score a lot of goals for Manchester United,” Lampard told BT Sport.
“The question is, can he score the goals that make him a Man United legend which will be the big games when it really matters in critical moments?”
Manchester United are sitting alongside Manchester City at the top of the table on 13 points after five games.
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