What was initially diagnosed as bruised ribs has turned out to be more serious for outside linebacker Ahmad Brooks. The team announced today that Brooks has a lacerated kidney. He missed today's practice and will sit out at least two more weeks when his kidney will be reevaluated.
The length of time a player misses with a kidney laceration depends on the severity of the injury and on how quickly an individual heals, which is why the 49ers have not put a time line on Brooks' recovery. Last year, for example, Chicago running back Garrett Wolfe injured his kidney on Nov. 8 and missed the rest of the season. Wolfe spent three days in the hospital recovering from the hit that damaged his kidney. Brooks, on the other hand, was walking around at practice today.
After recovering from an early-season knee injury last year, Brooks began entering games as a situational pass rusher in Week 3. His best game came during a Monday home victory against Arizona in which he finished with three sacks and two forced fumbles. Brooks finished the season with career highs in sacks (six) and forced fumbles (four)
With Travis LaBoy nursing a concussion suffered on Thursday, second-year player Diyral Briggs becomes the 49ers' No. 3 outside linebacker for now. The team also has Martail Burnett at the position. The team already is without inside linebacker Scott McKillop (ACL, patellar tendon) and may have to make a roster move.
-- Matt Barrows