However, Harbaugh confirmed what has already been reported: tight end Dennis Pitta broke his right hand.
Harbaugh also said that running back Bernard Pierce missed Tuesday’s practice with a hamstring injury. He did not explain why wide receiver LaQuan Williams walked out of practice with a towel draped over his head but said Harbaugh said Williams will be fine.
After giving praise to rookie center Gino Gradkowski, who has practiced with the first team in consecutive days, Harbaugh explained why veteran center Matt Birk did not participate in Monday or Tuesday’s practice.
“Matt’s at the stage of his career where he’s probably going to practice less than he’s not going to practice,” Harbaugh said about Birk, who turned 36 last week. “And I think that would be the best thing for Matt.”
Harbaugh said there was nothing new to report on offensive tackle Bryant McKinnie, who did not practice Tuesday. ... The wife of defensive tackle Haloti Ngata, who remains sidelined with a hamstring injury, gave birth to their second son, Haloti Maximus. ... University of Maryland football coach Randy Edsall and former Terps and NFL defensive tackle Kris Jenkins attended practice, which was another full-pad session. ... Harbaugh said running back Bobby Rainey, an undrafted rookie free agent from Western Kentucky, has "opened eyes" since joining the team.