Sports Illustrated has released its eighth-annual list of the 50 top-earning American athletes -- factoring in total salary, winnings, endorsements and appearance fees. Three NFL quarterbacks landed in the top 10: Peyton Manning ($38,070,000) of the Colts at No. 4, Matt Ryan ($32,700,000) of the Falcons at No. 8, and Tom Brady ($30,007,280) of the Patriots at No. 9.