At 24 years old, Patrick Mahomes has an MVP, Super Bowl title, Super Bowl MVP and two Pro Bowl appearances to his name. It's a Hall of Fame resume just three years into his NFL career.
Just as amazing, the Kansas City Chiefs star feels he's still just scratching the surface of his talents after signing a 10-year, $503 million extension.
"There's still so much I can improve," Mahomes told Jeff Kerr of CBSsports.com. "The mental part of the game, you learn more and more every single year you're in the NFL, especially at the quarterback position.