Brown has yet to top 65 yards in a game this season, and his presence in the red zone has been sporadic. Running game struggling, tooIf the passing game is uneven, the running game has been virtually as underwhelming. Part of the problem is continuity on the offensive line. “The offensive line isn’t blameless,” left tackle Jordan Mailata said. “The offensive line just isn’t playing well.”Right tackle Lane Johnson has been in and out of the lineup, left guard Landon Dickerson entered the season banged up, and Tyler Steen has been learning on the fly at right guard.