SI.com's NFL personnel expert Michael Lombardi
evaluates the 49ers' units.
Three candidates for the job, but are any of them the answer?
Gore produces—question is, can he stay healthy all year?
Might have found a sleeper in sixth-round pick Josh Morgan.
Davis has yet to justify being the No. 6 pick in '06.
Losing Larry Allen hurts big time; fixing this unit is a priority.
Brought in free-agent Smith in search of quarterback pressure.
Willis is a tackling machine; would help if Lawson stepped up.
Burned regularly, largely because of weak pass rush.
Good kickers; return and coverage teams short on speed, talent.