INGLEWOOD, Calif. -- - Justin Herbert found Keenan Allen for a tying touchdown with 2:44 remaining and then led Los Angeles into position for Cameron Dicker 's game-ending 43-yard field goal as the Chargers beat the Denver Broncos 23-20 on Sunday for their first 3-0 start since 2002.

After Herbert eluded the Broncos' pass rush and connected with Allen - who fought off Riley Morris in the end zone for the 20-yard score - Bo Nix and the Broncos (1-2) went three-and-out. That set up Herbert and the Chargers on their 32, and he went 4 of 4 on the final drive.

Herbert was 28 of 47 for 300 yards with the TD and one interception. At 27 years, 195 days, he became the youngest NFL player to reach 2,000 career completions, surpassing Drew Bledsoe. Herbert did so in his 82nd career game

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