SANTA CLARA, Calif. (Interstat) — Brock Purdy threw for 218 yards and two touchdowns, and San Francisco defeated Denver 24-14 on Sunday at Levi’s Stadium in an NFL game to stay unbeaten. Purdy completed 19 of 30 passes and added 29 rushing yards. George Kittle caught four passes for 70 yards and a score, Mike Evans had five catches for 76 yards, and Deebo Samuel Sr. added a rushing and receiving touchdown. Christian McCaffrey ran for 52 yards and a touchdown. Denver’s Bo Nix completed 25 of 42 passes for 214 yards and a touchdown and ran for 10 yards. Jaylen Waddle caught five passes for 35 yards and a score. Wil Lutz kicked a 52-yard field goal in the first quarter and a 40-yard field goal in the fourth. Nix connected with Waddle for a 13-yard score, and Tyler Badie converted the two-point attempt. Dre Greenlaw made 12 tackles for San Francisco, while Alex Singleton had 14 for Denver. The 49ers improved to 4-0, and the Broncos fell to 2-2 before an announced attendance of 70,776. San Francisco next travels to Seattle, while Denver visits the Los Angeles Chargers.