The Toffees were held to a 0-0 draw by the visiting Spurs but Martinez believes it could have been a different story if referee Kevin Friend had have awarded a penalty to Seamus Coleman against Jan Vertonghen in the second half.
"I think Seamus gets impeded. The only thing is that he doesn't overreact, he doesn't look for the penalty," the Everton boss told reporters.
"He just gets back on his feet and that allowed the referee not to have to make a decision. He was clearly impeded and it should have been a penalty."
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