Asomugha not a lock for 49ers' roster

Earlier this week, we pondered the San Francisco 49ers' situation at the CB position, as there are some outside the team who believe they didn't do enough during free agency and the draft to address a need position. One of the key players involved in any analysis of San Francisco's CBs is veteran Nnamdi Asomugha, who was signed this offseason after a wildly unsuccessful sojourn in Philly the past two seasons.