FOXBOROUGH — Being on the field and staying on the field is serious business for Rob Ninkovich.
Last Friday, reporters missed seeing Ninkovich on the practice field, a day after he was added to the Patriots’ practice report with an ankle injury. The initial assumption was that the veteran was absent because of it. It was later learned he was on the field practicing, his No. 50 jersey tucked up, making him hard to spot.
In the locker room, Ninkovich confirmed he did practice, and mocked and reprimanded those who doubted his presence, noting he hadn’t missed a practice all season.
On Monday, after playing against the Bills despite the ankle issue, he proudly remarked he and Chandler Jones led the league in snaps for defensive linemen. Full story for BostonGlobe.com subscribers.