When the 49ers hold their three-day rookie minicamp beginning Friday, it will be a chance for head coach Jim Harbaugh and his staff to get their first look at how Jimmie Ward fits into the defensive scheme.Ward, the 49ers' first-round draft pick, was a safety at Northern Illinois, but will likely get an opportunity to win a job as the team's No. 1 nickel cornerback. The 49ers believe Ward, who's 5-foot-11 and 193 pounds, has the coverage skills and intelligence to match up against NFL receivers as a rookie.Though he's not a big defender, Ward is a hard hitter and sure tackler. He wasn't highly recruited out of high school, yet excelled in college."Don't mistake lack of size for lack of toughness, because it's not the case," 49ers GM Trent Baalke told Bay Area reporters after Ward was taken with the 30th overall choice in Round 1. "He's a highly competitive young man that's beat the odds his whole career." - Aldon Smith Pleads No Contest to DUI, Weapons ChargesJay Sawvel, an assistant coach at Northern Illinois, raves about Ward and his ability to make impact hits in the secondary."I've been coaching in the secondary for 20 years, and I don't know if I've ever seen a player who...