The 49ers are deep and talented across the defensive line. As they go into next week's NFL draft, they can afford to address other positions of need.With Justin Smith, Glenn Dorsey, Ian Williams, Ray McDonald, Quinton Dial, Tony Jerod-Eddie, Tank Carradine and Demarcus Dobbs, the 49ers already have plenty of competition for playing time.But going into organized team activities, minicamp and summer training camp, the 49ers also have a wild card to play: Lawrence Okoye.Okoye, the former British Olympic discus thrower and rugby player, was signed as a free agent by San Francisco last April – despite never having played football. He signed as a defensive lineman, and got work in the 49ers' 3-4 defense in training camp. In August, he was placed on injured reserve after suffering a sprained knee in the team's third preseason game. The time on injured reserve meant Okoye couldn't practice with the team, but he could attend meetings, study and watch games and practices. So, 2013 was a learning year for Okoye without the pressures of producing. He could take his time and soak in the NFL.Recently, Taylor Price of 49ers.com put Okoye's development on his list of 20 offseason storylines...