Michael Davis, brother of Vernon and Vontae, charged with murder

Michael Davis, the 19-year-old brother of 49ers tight end Vernon Davis and Dolphins cornerback Vontae Davis, has been charged with first-degree murder in the family’s hometown of Washington, D.C. Police say Michael Davis killed 66-year-old Gary Dederichs by hitting him on the head with a hammer on April 24. That was the first of five…