Silver: Noise around Cowboys isn’t getting any quieter after another loss to 49ers

SANTA CLARA, Calif. — There is nothing about the Dallas Cowboys that is silent or stealth, and on a Sunday night when America’s Team nearly snuck up on and stole a game from the San Francisco 49ers, its stay at Levi’s Stadium both began and ended with a bang.

This time, Jerry Jones — so often the source of the noise surrounding his franchise — was a victim. After approaching the venue in the first of a three-SUV entourage and clearing a security check, the 82-year-old owner and his wife, Gene, were startled by a resounding thud: An abruptly deployed rising barricade had struck the vehicle behind them, injuring their daughter, Charlotte, and son, Jerry Jr.

“It’s a (device) that’s meant to stop a car,” a still-shaken Jones told me on the sideline before the game. “Well, let me tell you something — it works.”

Hours later, after a furious fourth-quarter rally had fallen short and the Cowboys had succumbed by a 30-24 score, cornerback Trevon Diggs emerged from the visitors’ locker room, which was not yet open to the media, to confront a Dallas television reporter about a social media post from the third quarter that questioned the player’s effort on a 43-yard catch-and-run by 49ers tight end George Kittle. As Diggs was walking away, the reporter suggested…