Why did the Patriots bench Cam Newton? Jarrett Stidham takes over at QB in fourth quarter

Cam Newton was replaced by Jarrett Stidham after throwing three interceptions. The 49ers and former New England QB Jimmy Garoppolo were blowing out the Pats.

source https://www.sportingnews.com/us/nfl/news/cam-newton-benched-patriots-49ers/k72dg3fzi5qi1je4seljtm6of