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Editor’s note: Matt Maiocco provides position-by-position breakdowns each day leading up to 49ers training camp.
Programming note: Get to know the newest Bay Area footballers with our feature series "Meet the Rookies" every night this week on SportsNet Central at 6 and 10:30 p.m.
The first thing that stands out about 49ers rookie cornerback Dontae Johnson is, of course, his size.
He is 6 foot 2 1/8.