The Seahawks fear a season-ending injury to one of their backs who was part of their new emphasis on running the ball this year.

Williams has pictures of his two sons, Sam Jr. and Syxx, in his training camp room. Every day, he looks at them before bed and when he wakes up. On most days, including the first day of training camp practices, he’ll pull out his phone, go to his notes app and read a letter he wrote to them both a long time ago.