SEATTLE—Former Seattle Seahawks and San Francisco 49ers star Richard Sherman was booked into a jail in Seattle on Wednesday morning, accused of “Burglary Domestic Violence.” The King County Correctional Facility lists Sherman as being booked at 6:08 a.m. Online records say bail was denied, though it was unlikely Sherman would have had a court appearance yet. The incident is being investigated as a felony. It wasn’t immediately clear if Sherman had an attorney and no other details were immediately available. The National Football League Players Association, the union that represents NFL players, said in a statement it was monitoring the situation. “We were made aware of an arrest last night of one of our player leaders for an alleged domestic violence incident and have activated our domestic violence crisis protocol for the protection and support of everyone involved,’’ the statement said. Sherman became a Seattle sports legend during seven seasons …