NFL, NBA, MLB & NHL Highest Average Annual Salaries

Tom Brady's new contract extension, worth $72 million, will pay him an average salary of $18 million over the next four years. The new deal makes the three-time Super Bowl champion the NFL's highest paid player. The richest contract in major North American professional sports belongs to five-time NBA champion Kobe Bryant. His new three-year deal with the Lakers begins in 2011 and will pay him an average of nearly $30 million per season. If you're curious how your salary compares to professional athletes like Tom Brady, click here.

Note: The Elias Sports Bureau and ESPN Stats and Information group contributed to this report.