Niners' Elvis is still rockin' and rollin'

Daily 49ers blog for NBC Bay Area website: Pass-rush specialist Elvis Dumervil has shown he still has plenty left in his tank at 33 and wants to stay with 49ers next season. https://www.nbcbayarea.com/news/sports/Dumervil-Says-He-Still-Has-A-Lot-in-My-Tank-464166503.html