Backup running back Fred Jackson received a contract extension from the Bills earlier this week, and the financial numbers have been revealed. Jackson's base salaries over the four years are $500,000 this year, $1.195 million in 2010, $1.625 million in 2011 and $1.830 million in 2012. He received a signing bonus of $1.1 million and is scheduled to get another $650,000 bonus. He is due a $250,000 reporting bonus in 2010 and gets workout bonuses of $50,000 each year of the deal. With other incentives the total value of the extension is $7.5 million.