Everton boss Roberto Martinez is convinced by the quality of Romelu Lukaku.

Lukaku is currently on 18 goals, two more than the 16 he plundered while on loan from Chelsea last term.

Martinez told evertontv: "The next six games are an opportunity to have a strong ending to a very positive season for Romelu.

"In Rom's head is the thought of always achieving, being successful and getting better."