Ravens observations from rookie minicamp, including injury updates and small school stars with big dreams

It was like Christmas in May in Owings Mills.

That’s how Ravens coach John Harbaugh described the team’s three-day rookie minicamp, which began Friday, concludes Sunday and included meetings, weightlifting sessions and on-field work, though no live contact. It also marked the first time coaches were able to see the team’s draft picks, undrafted free agents and tryout invitees in action in their building.

“It’s fun to see the guys that you’ve been talking to, interviewing, watching tape on...