LOS ANGELES — While the football world was full of speculation, wondering whether his disappearance into a red-light therapy airstream spelled the end of his career, Rams quarterback Matthew Stafford’s summer was filled primarily with uncertainty. Uncertainty about what his 17th season would look like. Whether or not the aggravated disk in his back would cooperate enough to allow him to practice, let alone let him start in Week 1. “It’s touch and go, we didn’t really know. We weren’t getting some of the responses that we were hoping for for the back,” head coach Sean McVay said. “You’re close to saying, alright, are we gonna just rest you and maybe you just take the first four weeks and we...
