Brock Purdy’s three interceptions for the 49ers with no touchdown passes led to a career-low 36.7 passer rating.

This season, the Cowboys' defense has struggled to stop opposing offenses, as it ranks 26th in the league with 28 points allowed per game. When it comes to total yards, the team ranks 14th with 2,139 total yards allowed (356.5 per game).

When 49ers quarterback Brock Purdy rolled out of the pocket against the Chiefs’ defensive line, veteran safety Justin Reid knew exactly where the ball was headed, and was able to jump into the throwing lane to intercept a pass. Take a look at Reid’s impressive interception in this video, which was posted by the Chiefs’ official Twitter account: