‘Coach Bill Parcells enjoys teasing 235-pound safety Roy Williams by saying the former Oklahoma star is “one biscuit away” from being a linebacker. But last week, Parcells acknowledged that Williams’ weight is one of the reasons why he’s among the NFL’s biggest hitters. “I’ve had some (defensive backs) who could hit before,” Parcells said. “I had Victor Green when I was with the Jets and he could really lay you out. But Roy has a little more wood in his knapsack. He’s a good tackler.”‘