SANTA CLARA, Calif. (Interstat) — Brock Purdy threw four touchdown passes and San Francisco held off Arizona 36-30 on Sunday at Levi’s Stadium. Purdy completed 15 of 27 passes for 297 yards and added 34 rushing yards for the 49ers, who improved to 3-0. Jacoby Brissett went 38 of 52 for 280 yards with two passing touchdowns and one rushing score for the Cardinals, now 1-2. George Kittle caught six passes for 82 yards and two touchdowns, while Mike Evans added a scoring reception. Jeremiyah Love rushed 21 times for 90 yards and caught a touchdown pass, and Michael Wilson had 11 receptions for 89 yards and a score. Fred Warner led San Francisco with 17 tackles, Renardo Green had 13, and Andrew Wingard made 10 stops for Arizona. Chad Ryland kicked three field goals for Arizona, including a 49-yarder, and Eddy Pineiro made a 57-yard field goal for San Francisco. Attendance for the NFL game at Levi’s Stadium was 70,687.