Breakdown of Earl Thomas' extension

All the numbers are in on Earl Thomas' contract extension. Here is how the four-year, $40.1 million deal for the Seattle Seahawks free safety breaks down.

Thomas will receive a $9.5 million signing bonus and get a bump on his 2014 salary (the final year of his current deal) of $100,000 to make the base salary $4.725 million.

The base salary for the four years of the extension are $5.5 million in 2015, $8 million in 2016 and $8.5 million in 2017 and 2018. Thomas will be only 29 at the end of the extension, even though he will have played nine NFL seasons.