In the , Lukaku came on as a substitute prior to and assisted 's opening goal three minutes later.
He sat out the 4-0 win at Burnley at the end of that week and was only a second-half substitute in both the 1-0 home win against Newcastle and 2-1 victory over Lille.
Lukaku made substitute appearances in United's next two games against Bournemouth and Newcastle United, scoring in both matches within two minutes of coming on.
Graeme Souness says Romelu Lukaku must apologise to his team-mates after comments he made in an interview led to Thomas Tuchel dropping the striker from Chelsea's squad for their huge Super Sunday clash with Liverpool.
Consequently, Tuchel dropped him from the squad altogether for a match against title challengers Liverpool, which ended 2—2.
On 19 February 2015, Lukaku scored his first Everton hat-trick in a 4—1 win for Everton against in the last 32; he struck with a header, a right-foot shot and a left-foot shot.