The points could be at a premium Sunday when the 49ers square off against the Houston Texans in Week 8.

San Francisco owns one of the top offenses in the league in yards gained, but it is tied for 24th in scoring at 20.7 points per game. Houston’s defense leads the NFL allowing just 14.7 points per game.

Each team will have a challenge when it comes to protecting their quarterback and avoiding turnovers.

Here are five 49ers who must play pivotal roles in order to avoid those kinds of mistakes or generate big plays and escape Houston with a victory:

LT Trent Williams

At 37, 49ers left tackle Trent Williams still is regarded as one of the best in the business. He has surrendered two sacks on the season but clearly still is the 49ers’ best offensive lineman.

Williams will face a stiff c

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