Patrick Mahomes had two years and $27.6 million left on his existing deal -- $2.8M this year, $24.8M in 2021.

His 10-year extension is worth over $400M, though it's still uncertain how much over.

So the lowest his 12 year-deal could be worth is $427.6 million. But will be more.

— Adam Schefter (@AdamSchefter) July 6, 2020