The 49ers are not finished piecing together their regular-season roster. The team cut down to the 53-man roster maximum on Saturday, but will likely add a defensive lineman as early as Sunday.
The 49ers expect to create a roster spot with Ronald Blair going on injured reserve due to a thumb injury. Because Blair made it onto the initial 53-man roster, he will be eligible to return later in the season.
General manager John Lynch said the team’s personnel staff has been studying every NFL roster, trying to project which players might be available. Because the 49ers had the second-worst record in the league last year, the 49ers will be No.