Notes: WR Michael Crabtree, missing his third straight training camp, was all smiles and said he is "encouraged" by the progress of his injured left foot.
Culpepper works out as 49ers look for veteran QB →
"I'm getting better. I'm all right," he said during a brief stop at his locker after Tuesday's workout. "Once I get on that field, I'm going to be the first person to talk to y'all."
WR Crabtree back in uniform, practicing for 49ers →