Belgium head coach Roberto Martinez is looking for his side to improve despite them winning their opening World Cup match.Belgium won 3-0 over Panama on Monday through a Romelu Lukaku double and Dries Mertens.
Martinez’s side take on Tunisia on Saturday before England face Panama on Sunday and their head coach said his side will need to improve if they want to top the group.
“We need to improve of course. We want to improve, we need to improve. I think the three games in the group stages, it was always for us to improve in a mental way, in a technical way, in a tactical way.
“I think physically we were very strong, we grew into the game in the second half, we felt physically very strong – which is a great sign. “He said.