Valdez is an undersized interior defensive lineman (6-3, 301 pounds) with short arms (31¼ inches), but he’s a brute: He had ...

A San Francisco 49ers coach explains why the team isn’t concerned about the 6-foot-5 rookie’s slow start to training camp.

They're not allowed to tackle. They're barely allowed to hit. So when they make a play, it's usually an interception or a ...

Robert Saleh is back in San Francisco, and he may have found his next star edge rusher in rookie Mykel Williams. The ...

The San Francisco 49ers are looking for members of their secondary to step up and rookie cornerback Upton Stout may be just ...

Early on in 49ers' training camp, defensive coordinator Robert Saleh has been impressed with rookie cornerback Upton Stout.

Defensive coordinator Robert Saleh discussed the team's leadership, highlighted the growth of DL Nick Bosa, CB Upton Stout, ...

Special teams coordinator Brant Boyer broke down the ongoing competition at kicker, discussed the evolving return rules, and ...

No 49ers’ position group got more attention than the defensive line. Early indications are they found upgrades with Williams, ...

The San Francisco 49ers have drafted 19 players over the past two years, infusing their roster with youth and potential. Nine ...

Every defensive player on the San Francisco 49ers should yearn to receive praise from Robert Saleh. Anytime he praises a player, he is being extremely genuine a ...

Follow along live for exclusive access and insight from The Athletic's writers as NFL training camps continue this week ...