LaDainian Tomlinson was in the midst of saying goodbye to the NFL when his young son, Daylen, wandered across the dais and tugged on his pant leg, wanting a little attention.
As tough and nasty as any player in the NFL, whether it was putting Albert Haynesworth on his back or getting in the last shot in a tangle of large bodies, Kris Dielman found it hard to end his NFL career.
The NFL has told its game officials to watch closely for concussion symptoms in players.

The NFL has told its game officials to watch closely for concussion symptoms in players.
The NFL is looking into the events surrounding a concussion suffered by San Diego Chargers offensive lineman Kris Dielman.
San Diego Chargers Pro Bowl left guard Kris Dielman suffered a grand mal seizure on the flight home Sunday after sustaining a concussion in a loss to the New York Jets, a person with knowledge of the situation said Thursday.
The San Diego Chargers say outside linebacker Shaun Phillips has been added to the AFC Pro Bowl squad.
Chargers left tackle Marcus McNeill ended his holdout Saturday when he signed his one-year contract tender as a restricted free agent.