Revis says he’s playing Sunday, but should he?

Cleared for contact 11 days after suffering a concussion, Jets cornerback Darrelle Revis was unequivocal regarding whether he’ll suit up for his team’s Week Three game against the Dolphins. “I’m playing Sunday,” Revis said. Asked how confident he is, Revis said it again:  “I’m playing.” But does he have to take any more tests?  “No,…