Sims-Walker doubtful for next game with groin injury

Receiver Mike Sims-Walker made his preseason debut for the Rams on Saturday night.  His time was cut short by a groin injury. He’s now expected to miss the Rams’ second preseason game entirely. “He’s a little sore,” coach Steve Spagnuolo said Sunday regarding Sims-Walker, via comments distributed by the team.  “He’s weak in the groin. …