Patrick Mahomes
Mahomes spent his first season with the Chiefs as a backup to Alex Smith. He became the primary player in the 2018 season. In the same season, Mahomes threw for 5,097 yards, 50 touchdowns, and 12 interceptions. He had also thrown for over 5,000 yards in a college season, becoming the first player to throw more than 5,000 yards in college and the NFL. He also became the second player to throw for more than 5,000 yards and score 50 touchdowns in a season, with Peyton Manning being the first.