Sean McDermott loves watching Damar Hamlin put in work during training camp. While speaking to reporters last week, the Buffalo Bills head coach was asked what he’s seen out of Hamlin as he competes for playing time at safety. “It’s to be expected, but an increased focus from a year ago, increased urgency and really just getting back to what he was,” McDermott said. “It’s to be expected again with respectfully of the situation that he went through. It’s fun watching him have fun out here. I think he’s been able to do that, and you can tell he means business.” Hamlin saw limited action during t…