With Wagner holding his ground against bull rushers, Baltimore's once-beleaguered offensive line has yet to surrender a sack this preseason. In 41 pass plays, Wagner has allowed one quarterback hurry and no hits, per ESPN.com.
"I think Rick has been solid," Harbaugh added. "Solid is the next step before being good and good is the next step before being great. I think he's on his way."
Meanwhile, Wagner is helping pave the way for a league-high 194 rushing yards per game this preseason.