SAN FRANCISCO (CBS / AP) — Matt Schaub recovered after throwing an interception on the first play of the game, leading the Houston Texans on scoring drives in each of their next three series in a 30-7 exhibition rout of the rebuilding San Francisco 49ers on Saturday night.

Troy Nolan made two interceptions for new defensive coordinator Wade Phillips, returning the first pick 73 yards for a touchdown to give the Texans 24 straight first-half points after they fell behind 7-0.

READ MORE: CHP: Police Activity Closes Westbound I-80 on Carquinez Bridge

Schaub enhanced an already impressive preseason, going 16 for 24 for 180 yards and a touchdown for the unbeaten Texans (3-0). So far, Houston looks very much like an AFC contender.

READ MORE: Homeland Security Warns Russian-Ukraine Crisis Could Lead to Cyberattacks in U.S.

49ers quarterback Alex Smith wound up 2 for 6 for 17 yards, just 4 more yards in the air than he lost in two sacks.

MORE NEWS: Former IRS Agent Arrested In Alleged Ponzi Scheme That Cost Elderly Santa Rosa Victim $1M

(Copyright 2011 by CBS San Francisco. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)