San Francisco 49ers third-round pick Nick Martin wasn't great against the Denver Broncos, but defensive coordinator Robert ...

The San Francisco 49ers are banking on rookies to boost their defensive line after an injury-plagued season. Despite having ...

Defensive coordinator Robert Saleh breaks down the 49ers defensive progress, highlighting key position battles ahead of joint ...

The preseason game against the Denver Broncos was largely a dull one for the San Francisco 49ers. However, there were several ...

Rookie Marques Sigle has thrust himself into the mix for a starting safety job three weeks into 49ers training camp.

Out with the veterans, and in with the rookies. For the most part, that's been the off-season focus for the San Francisco ...

San Francisco 49ers rookies Alfred Collins, CJ West and Sebastian Valdez have been impressing Kyle Shanahan and Robert Saleh.

Four years ago, Sebastian Valdez was a 235-pounder at Montana State. Now, he's turning heads in NFL games and drawing the ...

An undrafted rookie running back caught Kyle Shanahan's eye, and Marques Sigle's ascent at safety is putting pressure on two ...

Robert Saleh hinted at changes to his defense scheme in the offseason. Saturday offered an early glimpse, as the San ...

Right tackle Colton McKivitz had glowing reviews for the 49ers’ youthful new defensive line. He talked up Williams, Collins ...