Adam Schefter - Patrick Mahomes signed a 10-year, $450 million extension that could be worth up to $503M, per sources. The extension includes a $141.48M injury guarantee, as well as a no-trade
The making of Patrick Mahomes, the highest-paid man in sports history, NFL News
Chiefs Sign Patrick Mahomes To 10-Year Extension Worth Up To $503M
Patrick Mahomes, Chiefs agree to 10-year contract extension worth up to $503M: report
Mahomes signs 10-year extension worth $503M with Kansas City Chiefs
Patrick Mahomes: Kansas City Chiefs QB eager to make $503m deal team-friendly, NFL News
Whitehouse to declare Sunday Feb. 12 Patrick Mahomes Day
Patrick Mahomes: Kansas City Chiefs agree 10-year contract extension with quarterback, NFL News
Who has followed Patrick Mahomes in signing the most lucrative deals of all time?
Patrick Mahomes: Why Chiefs gave him NFL's biggest deal - Jason Bell Q&A - BBC Sport