49ers right guard Spencer Burford broke his right hand, coach Kyle Shanahan told reporters Saturday.
It is undecided whether Burford will require surgery.
“I know how you guys are with schedules, but guessing about three weeks,” Shanahan said, via Angelina Martin of NBC Sports Bay Area.
Burford, who is entering his third season, was making most of the first-team plays at right guard.
Rooke Dominick Puni will get more reps now, with veteran Jon Feliciano still sidelined with a knee issue.
“He did a great job,” Shanahan said of Puni, the 86th overall pick. “We haven’t put pads on yet, which is always a challenge for guys, especially in protection, but he got in there, got more reps and I’m excited about him.”
