Ravens' Ellerbe didn't practice Thursday

OWINGS MILLS, Md. -- Inside linebacker Dannell Ellerbe was the only Ravens player who didn't practice Thursday, the team's first official practice for next Sunday's Super Bowl. He is dealing with ankle and back injuries.

Defensive tackle Haloti Ngata (knee) and tight end Dennis Pitta (thigh) were limited in practice. The Ravens listed 14 injured players who had full participation.

For the 49ers, starting outside linebacker Ahmad Brooks didn't practice for a second consecutive day with a shoulder injury. Two starters, cornerback Tarell Brown and linebacker Aldon Smith, were limited with shoulder injuries.