Ulbrich sustains concussion

Updated: October 5, 2003, 7:54 PM ET

SAN FRANCISCO -- San Francisco linebacker Jeff Ulbrich left Sunday's game against the Detroit Lions with a concussion.

Ulbrich, a third-year starter, had seven tackles for the 49ers before leaving the game during the second half. The 49ers didn't announce when he was injured.

This story is from ESPN.com's automated news wire. Wire index