The 49ers have placed LB Fred Warner on the COVID-19 reserve list. It's not yet clear whether Warner has tested positive or merely been exposed to a COVID-positive person. If Warner displays symptoms, his Week 1 availability would be in jeopardy. Other players have come off the list in as little as a day or 2. We'll keep an eye on the star LB's situation as the opener approaches. If Warner misses any games, Dre Greenlaw would likely take on a 3-down role.

The 49ers deemed LB Fred Warner (hamstring) doubtful for Sunday's game at Seattle. The only surprise there is that he has any chance of playing. Initial reports projected him to miss a week or 2 with the injury. Expect the Niners to be without their star LB, though. LB Dre Greenlaw (groin) has been ruled out. LB/S Marcell Harris (concussion) is questionable. The depleted LB corps helps the outlook for Seahawks TE Gerald Everett.

ESPN reports that the 49ers expect LB Fred Warner to miss 1-2 weeks with the hamstring strain he suffered in Sunday's win over the Vikings. Fellow LB Dre Greenlaw is day-to-day, Cam Inman of the San Jose Mercury News reports. That leaves Azeez Al-Shaair as the best bet to lead San Francisco LBs in playing time for the Week 13 clash with Seattle.

Niners LB Fred Warner left Sunday's game against the Vikings with a hamstring injury. Keiana Martin of the team website reports that Warner will have an MRI on Monday.

Niners LB Fred Warner (stinger) is questionable for Sunday's game against the Cowboys. He made it back to full practice participation Friday, though. We'll check Warner's status Sunday morning when the inactives come out. CB Emmanuel Moseley (hamstring) is questionable for the game as well. Like Warner, though, he progressed from 2 limited practices to a full Friday. Moseley missed the past 2 games but seems to be trending toward a return. Moseley has been a low-level IDP option most of the year.

Niners LB Fred Warner left Sunday's loss to Washington in the 3rd quarter. He passed a concussion check, but HC Kyle Shanahan said after the game that Warner sustained a stinger in the neck-shoulder area. We'll see whether that threatens Warner's Week 15 availability.