Quarterback Trouble Brady vs Wentz

I have been playing Tom brady for the last 7 weeks well because its Tom Brady football wise he is doing goof fantasy wise he hasnt been putting up Tom Brady quarterback numbers coming upon this week 8 with wentz against the 49ers do i just stick with Tom Brady because its brady or should i start Carson

I would start wentz this week. The matchup is too good and teams have been destroying SF.