He remained the starter for the rest of the season and set several rookie statistical records, including the most touchdown passes and 300-yard games. He was named the AP NFL Offensive Rookie of the Year for his performance. In 2021, he became the first quarterback in Chargers history to throw for over 5,000 yards and was named to his first Pro Bowl. He signed a five-year, $262.5 million contract extension ahead of the 2023 season.