For every The Athletic's Matt Barrows, San Francisco 49ers linebacker Dre Greenlaw is taking in a technique towards mend a groin harm. Greenlaw will skip 4-6 months and be put upon the wounded e-book, for each Barrows.NFL Community's Ian Rapoport claimed Greenlaw would skip 6-8 months, despite the fact that:#49ers LB Dre Greenlaw will watch at present and Designs in direction of contain surgical treatment possibly currently or tomorrow, resource explained. He's out 6-8 months just after the main muscle mass course of action. Azeez Al-Shaair, who performed perfectly upon Sunday, will just take previously mentioned for Greenlaw at WILL. Demetrius Flannigan-Fowles will at this time perform SAM.Greenlaw's destruction describes why the 49ers signed LB Curtis Bolton upon Tuesday .Greenlaw's tempo was portion of what manufactured the 49ers' safety hence distinctive. He experienced 6 tackles in opposition to the Lions. He authorized 4 completions, still simply for an regular of 4.2 yards for every concentrate with a passer ranking of 44.6, the cheapest upon the employees 7 days 1.Oneself can't substitute the final pace of Greenlaw, still Al-Shaair is a significantly added bodily participant and wasn't a slouch inside insurance policies, possibly, in opposition to the Lions. Al-Shaair basically authorized 2 completions upon 4 objectives for a in general of 5 yards . He experienced one particular strike that jarred the ball unfastened in opposition to a Lions recipient.It's unlucky that the injury preserve growing for the 49ers. The Niners' detail proceeds in direction of be confirmed, and they haven't performed their minute match still. Keep in mind, the workers traded Jonas Griffith in the direction of the Broncos and misplaced Justin Hilliard upon waivers in direction of the Giants. What was when a deep issue local community is at present awfully slender.