"He's getting there. He's been working really well and benefited from these extra days from an individual's point of view," Martinez said at his Friday press conference.
"Lacina has been sharp in training and has surprised everyone in the medical department at how quickly he has got his fitness levels high for the competition.
"We have to make sure there is no risk for him to participate but, clearly, there is a good opportunity for him to be involved on Sunday in one way or another."
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